Audio signal: AGND: audio signals received negative OUTR: right channel output OUTL: Left channel output INR: AUX right channel input INL: AUX left input
Key: COM: Common keys PLAY / STOP: sowing pull Pause VOL + / NEXT: a short press, long press the volume increase VOL-/REV: On a short press, long press volume down
Control: EN: Bluetooth connection is high (+3.3 V), disconnect the Bluetooth is low NC: Function Reserved
Note: NC pin must be left open, otherwise the module is not working properly, or damage to the module.Specially designed AUX input: the original cable input Function: wired and Bluetooth automatically switch Bluetooth audio player connected to the Bluetooth Disconnect the Bluetooth cable audio playback Mobile phone bluetooth connection application1, according to the product introduction correct connection, can be converted into the stereo speakers or DIY2, open the phone bluetooth, bluetooth search point, shown as: KRC-86B V4.03, click: KRC-86B V4.0, cell phone began to connect, if you need the password, input and matching connection (invoice there is a password)4, after the success of the device to connect, can use a mobile phone/tablet/other bluetooth devices play music, watch movies, play games