Features: 

1) Bluetooth 1.1 compliant 

2) Class 2 Tx power 

3) Frequency: 2.4GHz 

4) Channels: 79 

5) The longest standby time: 200 hours 

6) The longest talking time: 6 hours 

7) Rechargeable battery Li-polymer 

8) Working range: indoor 5m, outdoor 10m

10) Headset and handsfree profiles 

11) Voice dialing function to support your mobile phone 

12) Basic call handling from the headset with adjustable volume control 

13) Keep user away from electromagnetic wave of mobile phone 

14) Allow you to be hands-free and cord-free all day long 

15) Can be worn comfortably on either ear 

16) Light and balanced weight design offers wearing comfort 

17) Compatible to any Bluetooth mobile phone 

18) Color: red, black, blue