DIY Audio modul bluetooth 4.1 dengan USB + sdcard stereo bisa MP3 WAV

Description: Support for Bluetooth 4.1, support automatic return function, support WAV + APE + FLAC + MP3 lossless decoding, stereo output, comes with TF card download, support U disk, TF card player. Parameter: Power Supply: 3.7-5V SNR: 90dB THD+N: -70dB Crosstalk: -86dB DNR: 91dB Support Profile: A2DP/AVCTP/AVDTP/AVRCP/HFP LOS: 15m Interface specification: Power interface: Universal Micro USB 5V power supply 3.7-5V supply pad: 3.7-5V power supply modification U disk interface: Support play U disk MP3 / WAV / APE / FLAC file, support FAT16 / 32 file format TF card interface: Support play MP3 card in the MP3 / WAV / APE / FLAC file, support FAT16 / 32 file format LED indication: Bluetooth mode blue light long, music mode blue light flashing 3.5mm stereo output: Standard 3.5mm interface, the output stereo sound source, can be inserted headphones, connected amplifier and other equipment. Key Function: MODE: “click it once “，TF card, U disk, Bluetooth mode switch P/P: “click it once “，Play and pause the switch NEXT/V+: “click it once “The next song，”Keep pressing “The volume increases PREV/V-: “click it once “On a song，”Keep pressing “Volume down RPT: “click it once “，Single / loop switch Instructions: 1.mode control When the decoder board is not inserted U disk or TF card, boot the default is Bluetooth mode; when the decoder board plug U disk or TF card, boot the default music mode; MODE key to switch mode. 2.music mode Insert the U disk or TF card to play the stored audio files. 3.Bluetooth mode Switch the mode broadcast English \The bluetooth device is ready to pair\, that enter the Bluetooth mode and wait for the pair; mobile phone Bluetooth search to the \XY_BT\ is the decoder board device name, click on the link, the decoder board prompt \The bluetooth device is connected successfully\, Indicating that the decoder board and mobile phone connection is successful, you can play music.