Functional Description S3860M-S is a highly integrated, low cost, low power Bluetooth stereo audio. Comply with Bluetooth 2.0 specification. Support A2DP V1.2, AVRCP V1.4, HSP1.2, HFP1.5 profiles. Integrated EEPROM, the operating mode and parameters can be configured internal MIC MIC amplifier bias supply internal UART support caller ID indicator (requires mobile terminal Support for this function) stereo audio output can directly drive 40mW @ 32Ω speeker without blocking capacitors integrated on programmable power-on reset and low voltage monitoring function six key inputs, including switch button, matching key, volume up, volume down, the song, the next one two LEDs to indicate different working like having to call tone, such as mobile phone ringtones end support can play short press ONKEY switch button to answer or end a call, press to reject a call, long press can be kicked out of the phone connection, press twice to redial the last Outgoing Play / Pause alone IO port output H or L level to control the PA, so that in the LAYOUT will not have a good case did not deal with noise