Pin Definitions

  • SW1: mode setup
  • JP1: debug only, no need to be used
  • GND - BAT: battery power supply
  • MIC: Microphone solderin pins
  • USB:
  • LED1: status
  • Earphone
  • AUX_IN


  • Please notice microphone is not pre-soldered on board, you can do it yourself or add note to ask us to do it when you place order.
  • More function is developing now, any updates we will update on wiki page. Also support customize.


  • Pair with audio play box, and send human voice via speaker
  • Pair with audio play box, and PC -> audio -> AUX_IN to play