Driver Unit	9mm, DOME Type

Transmission Range	20-20,000Hz

Frequency Band	2.4GHz BAND

Power Source	Built-in Lithiumion Rechargeable Battery

Bluetooth™ Profile	A2DP, AVRCP, HEP, HSP

Battery Life	11 hrs communication time / music playback, 100 hrs waiting time

Weight	Approx. 33g

Not all Windows Vista™ features are available for use on all Windows Vista Capable PCs. All Windows Vista Capable PCs will run the core experiences of Windows Vista, such as innovations in organizing and finding information, security, and reliability. Some features available in premium editions of Windows Vista - like the new Windows® Aero™ user interface -- require advanced or additional hardware. Check www.windowsvista.com/getready for details.