{"title":"Module - Audio","description":null,"products":[{"product_id":"1040004","title":"KeyBoard - Programmable Badge - Lightning and Music","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eFor KeyBoard, we just want to make PCB a fine look and more interesting. It is an interactive badge with touching, lightning, and melody. You can wear it on your neck or fix it to your bag. Press the lightning icon to switch between two modes. One is a mini piano while another is circular melody and chasing light. Enjoy a wonderful night at music live with KeyBoard!\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eSpec:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eMicrocontroller: ATMega328P\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eOperating voltage: 3.3V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eFlash memory: 32KB of which 0.5KB used by bootloader\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eSRAM: 2KB\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eEEPROM: 1KB\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eClock speed: 16MHz\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eWorking current: 30mA (when buzzer on)\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eStatic current: 8mA (when buzzer and led off)\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eSleep current: \u0026lt;1mA\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eCharge time: 30 min\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eStandby time: 8 hours\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eKeys: 10\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eLEDs: 8\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cspan style=\"font-size: medium;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/Keyboard\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012239016302,"sku":"1040004","price":16.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/file_3.jpg?v=1789355394"},{"product_id":"2080001","title":"PAM8403 Class-D Digital Amplifier","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003eThe module is used to amplify the sound signal and output it through the speaker. With 5V power supply, it can provides 3W power to each channel, and directly drive speakers of 4Ω or 8Ω. \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eFeatures:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eInput voltage: 2.5~5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eSize: 18.5x21.1mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eOutput power: 3W+3W\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003eOutput Power: 3W+3W\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cdiv\u003e\n\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003chr\u003e\n\u003c\/div\u003e\r\n\u003cdiv\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003ePinout:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003c\/div\u003e\r\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-10a8b0592d7a13cc989ce6611e058a78fa7fc5b51d2580523be904e3451fb90f.jpg?v=1789434438\" alt=\"pinout\" width=\"500\" height=\"211\"\u003e\n\u003c\/div\u003e\r\n\u003cdiv\u003e\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong style=\"color: #ffc100;\"\u003eReference:\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003c\/div\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003eTech-support: support@longan-labs.cc\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012266475886,"sku":"2080001","price":3.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/2080001-1.jpg?v=1789356235"},{"product_id":"2080004","title":"Bluetooth MP3 Module","description":"\u003cdiv class=\"document\"\u003e\r\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eThis decoder board supports 3 working modes, U disk, TF card and Bluetooth. You can easily to turn an ordinary speakers into Bluetooth speakers with this decoder board.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cdiv\u003e\r\n\u003cdiv class=\"document\"\u003e\r\n\u003ch2 class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e\n\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eFeatires：\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv\u003e\r\n\u003cdiv class=\"document\"\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003e Input voltage: 3.7~5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003e  U disk\/TF Card format: FAT16\/32\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003e Music format: MP3\/WAV\/APE\/FLAC\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003e  LED Indicator: Blue LED on in BT mode, Blue LED blink in music mode\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003e 3.5mm Audio stereo output\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003e  Size: 41x45mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003chr\u003e\r\n\u003cdiv\u003e\r\n\u003cdiv class=\"document\"\u003e\r\n\u003ch2 class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eButtons：\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv\u003e\r\n\u003cdiv class=\"document\"\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eMODE: Short press to switch working modes, TF mode, U disk mode and BT mode\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eP\/P: Short press to PLAY or PAUSE\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eNEXT\/V+: Short press to play next song, long press to increase volume\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003ePREV\/V-: Short press to play the previous song, long press to decrease the volume\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eRPT: Single \/ Cycle switching\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003chr\u003e\r\n\u003cdiv\u003e\r\n\u003cdiv class=\"document\"\u003e\r\n\u003ch2 class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eHow to use：\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv\u003e\r\n\u003cdiv class=\"document\"\u003e\n\u003col start=\"1\"\u003e\r\n\u003cli\u003e\r\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eWorking Mode\u003c\/span\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ol\u003e\r\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-left-indent-1.6em\"\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eWhen there is no U disk or TF card inserted in the decoder board, the default mode is BT mode, otherwise the default mode is MUSIC mode, and the mode can be switched by the MODE button.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003col start=\"2\"\u003e\r\n\u003cli\u003e\r\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eMusic Mode\u003c\/span\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ol\u003e\r\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e Insert the U disk or TF card to play the stored audio files.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003col start=\"3\"\u003e\r\n\u003cli\u003e\r\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-hanging-indent-1.6em\"\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eBT Mode\u003c\/span\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ol\u003e\r\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt pap-left-indent-1.6em\"\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eWhen switch to BT mode, the board will broadcast \"The bluetooth device is ready to pair\", this mean the board enter the BT mode and wait for pairing. Use your mobile phone to search for \"XY_BT\", click connect, the board prompts \"The bluetooth device is connected successfully\", indicating that the decoder board is connected to the mobile phone Success, you can play music now.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003chr\u003e\r\n\u003cdiv\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003c\/div\u003e\r\n\u003cp\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eTech-support: support@longan-labs.cc\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cbr\u003e\r\n\u003cp class=\"paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-0pt pap-spacing-after-0pt\"\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003c\/div\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012285120878,"sku":"2080004","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/2080004-1_1.jpg?v=1789356620"},{"product_id":"2080009","title":"Dual-Channel Bluetooth\/LINE IN Digital Amplifier with Shell","description":"\u003cp\u003e\u003cspan style=\"color: #333333; font-size: medium;\"\u003eThis is a high-power amplifier kit that can output two channel 50W power. The power amplifier board has two working modes of Bluetooth and LINE IN, which are convenient to use. The kit contains a set of acrylic protective shell, which can protect the amplifier board from damage. There are 5 buttons on the power amplifier board, which can control the volume, working mode, song switching and so on.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eInput voltage: 4.5~27V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eOutput Power: 50W * 2\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eBluetooth mode and Line in mode\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eDC2.1MM and Terminal power connector\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePower input anti-reverse function\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eAcrylic protective shell\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #333333; font-size: medium;\"\u003e\u003cspan style=\"color: #333333; font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e1. Working mode\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eThe module has two working modes: Bluetooth and LINE IN mode. When the module is not plugged into an audio plug, the power-on default is Bluetooth mode. When the module is plugged in with an audio plug, the default is LINE IN mode after power-on, or you can switch the mode by long pressing the PLAY \/ M button\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e2. Bluetooth\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eWhen the module works in the Bluetooth mode, there will be a prompt \"The Bluetooth device is ready to pair\", indicating that enter the Bluetooth mode and wait for pairing, use your mobile phone Bluetooth searches for \"YX_BT\", click connect, the module prompts \"The Bluetooth device is connected successfully\", It means that the module is successfully connected with the mobile phone, you can enjoy the music now.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e3. Buttons\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e•  \u003c\/span\u003eVOL-: Volume -\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e•  \u003c\/span\u003eVOL+: Volume +\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e•  \u003c\/span\u003eNEXT: Play next song\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e•  \u003c\/span\u003eBACK: Play the previous song * PLAY\/M: Play \/ Pause, long press to set mode\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eTech-support: support@longan-labs.cc\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012287873390,"sku":"2080009","price":34.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/2080009-1_1.jpg?v=1789356878"},{"product_id":"2080014","title":"MP3 Decoder Board","description":"\u003cp\u003e\u003cspan style=\"color: #333333; font-size: medium;\"\u003eThis is a player module with a remote control. The module supports three music formats, MP3, WAV and WMV, which can be input via micro SD card or U disk. The module has 6 EQ modes, Normal, class, jazz, rock, bass and pop, which can meet different hearing needs. If you want to DIY a player, this module is a good choice.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eInput voltage: 3.7~5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eSupport MP3, WMA and WAV\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eSupport micro SD card and U-disk\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eRecorder mode\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eEQ: Normal, Class, JAZZ, Rock, Bass, POP, default Normal\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #333333; font-size: medium;\"\u003e\u003cspan style=\"color: #333333; font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eHardware Overview:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-e08ffcc6b5e623280b4c71d36a56e356143c911efe643c6b680573d8fa9bd9b8.png?v=1789434526\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eKey Control:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eIf you want to use key control, you can modify the board, the schematic diagram is as follows:\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-3f1bae33b8b1b7e089bb58b97bf5d25a261e8a034a17ef8784c44df7e8bdc1c6.png?v=1789434531\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012289184110,"sku":"2080014","price":9.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/2080014-1_1.jpg?v=1789356964"},{"product_id":"2080010","title":"TPS3116D2 High-Power Digital Power Amplifier Module","description":"\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eThis high-power digital power amplifier module is based on the \u003cstrong\u003eTPA3116D2\u003c\/strong\u003e chip and can provide dual-channel 2 * 50W output. The power input range is wide, 4.5 to 27V. The module is easy to use, just connect the power supply and speakers to the module, and input audio through the 3.5mm audio interface or 3P Terminal. If you want to DIY a speaker, you will love it.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eInput voltage: 4.5~27V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eOutput power: 50W x 2\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eSNR: 102dB\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eChannel: 2\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eSize: 63x51x22mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eWeight: 50g\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eHardware Overview:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-663609cb76b418b9ac1cecba6a62029dbc8e96f9ca02bddcefe28369cae46a07.png?v=1789434536\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012291969390,"sku":"2080010","price":29.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/2080010-1.jpg?v=1789357003"}],"url":"https:\/\/longan-labs.cc\/collections\/audio.oembed","provider":"Longan Labs","version":"1.0","type":"link"}