3Pcs KRC-86B bluetooth 4.0 Stereo Audio Receiver Module

Description: Using CSR8630 bluetooth chip that supports A2DP, AVRCP,bluetooth version: V4.0+EDR Automatic control technology, simple operation, easy to use If the connection button, you can control your phone or computer to play / pause, volume change It supports two devices simultaneously connected Support power off automatic connection function Function: VCC: Positive power supply 3V-5V GND: Negative one LED+: Connected diode anode LED-: Connected diode cathode AGND: connected to an audio signal Cathode OUTR: Right Output OUTL: Left Output INR: AUX right input INL: AUX left input com: button common terminal Play / Stop: Play / Pause VOL + / NEXT: short press next song, long press volume up VOL - / REV: short press last song, long press volume down EN: bluetooth connection is high level (3.3V) disconnect the bluetooth low level NC: Function Reserved Package included: 3 x KRC-86B bluetooth 4.0 Stereo Audio Receiver Module