Features:It can convert digital audio to analog audio signal.Support BT5.0 connection, 20m barrier-free transmission distance, stable signal, low latency, music in mobile phone can be transmitted to audio devices wirelessly.Support U disk play mode, support MPS/WAV playback format.Equipped with independent volume adjustment knob, easy to adjust volume.Suitable for TV, computer, game console, speaker, MP3, etc. It perfectly solves the limitations of audio devices and expands its functions.