The Specs

Battery and Other Features
Battery Life 9 hour(s)
Quick Glance
Product Type Headset|Speakerphone
Headphone Type Enclosed (Circumaural)
General Features Volume Control|Noise Cancelling
Color Black
Warranty
Warranty Information 1 year(s)
Wireless
Wireless Transmitter Range 350 ft
More Info
URL http://www.plantronics.com/us/product/cs500

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