The Bluetooth MP3 decoder board is transformed to upgrade the ordinary audio, so that the audio can conveniently play the MP3/WMA format song files in the U disk TF card, improving the sound quality of the ordinary audio, and an effective way to obtain high-quality music at a low price; it can also cooperate with other equipment, circuits, Module for secondary development and application, applied to toys, gifts, fitness equipment, household appliances, broadcasting systems, etc., easily realize Bluetooth wireless docking, and listen to music freely.

· Support led digital tube

· Support USB (TF), AUX, FM radio function;

· Support Bluetooth, compatible with versions below Bluetooth 3.0;

· Support previous song, next song, play/pause, mode conversion;

· Support FAT16, FAT32 file system;

· Support MP1 Layer3, MP2 Layer3, MP3 Layer3, versions of songs;

· Support MP3 songs of 32-320kbps

· Support infrared remote control reception

· The module contains MP3/WMA song decoding chip.

key operation instructions(Host button):

1. "PREV": Short press the previous song in the USB/TF/Bluetooth state; short press the previous station in the FM state, and long press the volume to decrease.

2. Short press "PLAY/PAUSE" in the USB/TF/Bluetooth state to play/pause, and long press in the FM state to automatically scan for radio stations;

3. "NEXT": Short press a song in the USB/SD/Bluetooth state; short press a radio station in the FM state, and long press the volume to increase.

4. "MODE": When there is SD card and U disk: the switching sequence is USB→SD→Bluetooth→FM→AUX→USB; when there is only U disk: the switching sequence is USB→Bluetooth→FM→AUX→USB; only SD card Time: The switching sequence is SD→Bluetooth→FM→AUX→SD.