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.