Lights A9 - Control Buttons in Bluetooth Mode; Volume and Track Control; Play;Pause and Call Functions; Control Buttons in TF Mode

Control buttons in Bluetooth mode:
1. Volume+/Next Song - short press to play next song, long press to raise
the volume
2. Volume-/Previous Song - short press to play previous song, long press
to reduce the volume
3. Play/Pause - short press to play/stop music and answer/end call, double
press to redial last number, long press (2s) to reject calls
Control buttons in TF mode:
1. Volume+/Next Song - short press to play next song, long press to raise
the volume
2. Volume-/Previous Song - short press to play previous song, long press
to reduce the volume
3. Play/Pause - short press to play/stop the music