Savi W440 Computer Wireless headset

Plantronics Savi W440 Wireless PC Headset  - Headset Express

The first portable DECT headset system -
The Savi W440 - now includes the lightest headset on the market.
A hot swappable battery (Additional battery sold separately) for unlimited
talk time and up to 300 feet of wireless freedom
make the Savi W440 the ideal choice for the busy office professional that
needs to make or receive PC call for VoIP and Unified Communication applications.
 

Manage PC voice communications and multi-media wherever work takes you.
The Savi W440 is the lightest DECT™ wireless headset on the market.

The W440 offers three comfort-tested wearing options to match your personal style:
 

Over-the-ear, discrete and stylish
Over-the-head, for enhanced stability
Behind-the-head, ultra-discreet without sacrificing stability
Extraordinary sound quality while roaming or multi-tasking up to 300 feet from your PC.
Hot swappable battery (With purchase of additional battery) lets you change battery
mid-conversation for unlimited talk time.
With one-touch call answer/end, vol+/-, mute and flash, switch between softphone
calls for simple call management.