The Specs

Physical Attributes
Weight 0.92 oz
Color Black|Silver
Battery and Other Features
General Features Lightweight
Battery Size Lithium Ion Polymer
General
Product Type Earset
Interface Connection USB - Universal Serial Bus
Headset Type Mono
Headphone Type Over-the-ear
Additional Specifications
Batteries Included Yes
Included Components CS50-USB - Wireless VoIP HeadsetOver-the-head unibandInterchangeable, reversible earloops
Quick Glance
Product Type Earset
Interface Connection USB - Universal Serial Bus
Headset Type Mono
Headphone Type Over-the-ear
Type of Wireless RF
General Features Lightweight
Color Black|Silver
Warranty
Warranty Information 1 Year
Wireless
Wireless Transmitter Range 300 ft
Type of Wireless RF
More Info
URL http://www.plantronics.com

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