Each button has the following functions
functional key
Press once to start playing when pausing, and press once to pause when playing.
+and-"
Press to adjust the volume.
Double-click the function key to switch to the next song, press the function key three times to switch to the previous song.
pay attention to
If the communication conditions are poor, the Bluetooth device may react incorrectly to the operation on the headset.
Depending on the Bluetooth device, the available functions may be different. When you follow the above instructions, it may run in a different way or it may not work at all.
Heart of the King 2 Click on the demo.