Volume "+" button
Mic
8
5
Previous track
Volume "–" button
max. 2.4A USB
charging port
2
6
2
1
Next track
3
10
Status-LED
Multifunction button (MFB)
Answer / Hang off
Play / Pause
Power on / Power off
4
10
max. 2.4A USB
charging port
9
Charging port for BT Receiver
3.5 mm Aux male jack
7
Micro USB port