Bluetooth Audio Transmitter & Receiver Board EMBT-S02

Description This is an Bluetooth audio board, can switch to play both role transmitter and receive. Based on CN JL Bluetooth chips. In transmitter role: It similar that acting like your smartphone, sending audio source to bluetooth receiver audio box. Support audio in from AUX_IN 3.5mm ack, and transmit out Support audio in from speaker, and transmit out (for example like a bluetooth wireless microphone) Support to send MP3 audio source from U disk playback (customize only, not available on this standard board) For role as a Bluetooth RX receiver: Support dual sound channel output, so left right Support AUX 3.5mm output, to speaker. Other Function: Support to use as USB sound card and USB sound MIC In chip battery charger circuit, support to use with battery. Documentation demo video, etc please see on this page.