Sennheiser BW900EX with HSL10 Handset Lifter, Busy Light, and extra battery

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Up to 300 ft. range for office phones and up to 33 ft. with Bluetooth devices like computers and mobile phones
Hot-swapping the battery gives you continuous use all day. Up to 5 hours of talk time on a single charge then swap the rechargeable battery without the need to end your call. Second rechargeable battery included in this bundle.
Revolutionary technology utilizes both Bluetooth Wireless Technology and Wireless Office technology. One headset for your office phone, mobile phone, and PDA
Noise-canceling microphone cuts 60-70% of background noise
Mute button allows for private, off-headset conversations
Features Sennheiser Specific Adaptive Intelligence™ which automatically optimizes volume for each device
Great with voice recognition software like Dragon NaturallySpeaking

A lightweight wireless headset that combines a Bluetooth headset and a wireless office headset into one.

Sound Quality
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Technical Specifications
Manufacturer	Sennheiser
Type	Wireless
Wearing Style	On-the-Ear, Convertible
Range of Motion	300-ft./90m
Connector Type (view connectors)	RJ9
Weight	0.9 oz.
Lines: (telephone products only)	Both Single and Multi
Compatibility	Works with your existing single- or multi-line phone
Microphone	Noise-canceling
Earpiece	None
Color	Dark blue & Silver
Special Technologies	Sennheiser Adaptive Intelligence™
Warranty	1 Year Replacement
Battery Life	Up to 5-hour talk time
Reversible	Yes
Handset Lifter Compatible	Yes
Busy Light	Included
Quick Disconnect	No
DC Adapter Compatible	Yes
Digital Encryption	Yes