Features:
Fashionable clip-on design, elegant and tiny volume controls with crystal-clear sound
Convenient to carry, easy to clip-on your collar and pocket rim
Supports the functions of voice dialing, three way calling and call waiting
(Please make sure the assigned telecommunications agent provides this service)
Push one button to answer, end, and redial calls.
Push another button to adjust volume
Compatible to any Bluetooth mobile phones,computers,PDA and any Bluetooth devices

Specifications:
Headset and Handsfree Profiles:
Bluetooth 1.2 compliant.
Class 2 Tx Power
Frequency: 2.4GHz
Channels: 79
The longest standby time : 250 hours
The longest talk time: 6 hours
Weight: 16g
Rechargeable battery Li-polymer
Working range: indoor 5 meters; outdoor 10 meters
Size: 48.6 x 19.5 x 19(mm)