* Hand-free function supported .

* Using the multi-functional button to serve for incoming or outgoing call .

* Taking use of voice-control to dial .

Button Purpose

1.   Multi-Functional Button → Control multiple functions .

2.    Volume + → Add headphone volume .

3.    Indication Light →Indicate headset status .

4.    Volume - → Decrease headphone volume .

5.    Headphone → Play the communication .

6.    Microphone → Voice transmission

7.    USB charge port → Charge headset through the connection line or charger .

8.    Hook → Hook the headset upon the ear .