3.7-5v recording bluetooth decoder board supports mp3/wav/wma/flac/ape four format audio decoding

working voltage: 3.7-5v product size: 80mm*55mm weight: 0.08 kg 1: support mp3/wav/wma/flac/ape four-format audio decoding 2: support bluetooth music playback function. bluetooth version 5.0 after successful connection with bluetooth, mobile music can be played. the device name is bluetooth. 3: supporting the memory of songs when power off. playing songs when power off after power off. volume level 0-30 4: supporting aux external signal can control volume size 6: supporting recording f...