1)Bluetooth handset

2)Wireless Bluetooth phone handset for all iPhone, HTC, Blackberry, Samsung and other mobile phone

3)With volume control

4)Pick up/hang up button

5)LED light, answering/hanging up button

6)Built-in rechargeable battery

7)Technical Specification: Bluetooth version: V2.0

8)Emissive power Rate: Class 2

9)Scope: 10 meters

10)Battery: 550mAh lithium battery

11)Standby time: 5 days

12)Telephone conversation time: 24 hours

13)Durations of charging: 4 hours