Bluetooth 4.0 headset with desk USB stand, monaural, ultra noise cancelling mic, talk time up to 15 hours, Sennheiser HD sound, with USB dongle and Microsoft Lync certified
 
 
 
Features
 
 
 
Unique Premium Design ? Crafted for comfort
 
 
High Comfort Wearing Style ? Perfect adjustment to your ear for all-day wearing comfort
 
 
Intuitive User Interface ? Mute microphone and adjust volume up or down
 
 
Boosted Productivity ? Ultra noise-canceling microphone filters out unwanted background noise
 
 
Sennheiser HD Voice Clarity ? Wideband sound for a more natural experience
 
 
Full Workday Talk Time ? 15 hours of talk time
 
 
Intelligent Fast Charging ? 50% in 40 minutes gives you 7.5 hours talk time
 
 
Extended Bluetooth Range ? Up to 25 m (device dependant)
 
 
Protected Hearing ? ActiveGard? technology protects against acoustic shock and sudden sound surges
 
 
Microsoft Communicator compatible
 
 
Multi connectivity ? to seamlessly manage PC and mobile phone calls from a single headset for maximum call-handling flexibility
 
 
Sennheiser BTD 800 Bluetooth? mini USB adapter ? can stay in your laptop port
 
 
Sennheiser CH 20 MB charger stand ? offers convenient call control management and space-saving
 
 
Microsoft lync certified