*** DISCONTINUED - Please see model Plantronics CS361N *** Superior Sound Quality clarifies and enhances customer communications The Plantronics CS361 SupraPlus Wireless Professional Headset System lets office employees answer or end calls while away from their desk phone in unmatched comfort and with best-in-class audio quality. Built on digitally encrypted DECT 6.0 technology, the SupraPlus Wireless combines the clarity of traditional corded technology with the mobility of wireless so employees can continue phone conversations up to 300 feet from their desk phone. Designed for over-the-head comfort, the SupraPlus Wireless Binaural lets wearers experience total-focus sound reduction. The Voice Tube microphone filters out excessive background sound. CS361 SupraPlus Wireless Features: Discreet Voice Tube microphone that filters out background sound Confer with colleagues, walk to the printer, pour a cup of coffee without ever interrupting or missing a call Relieve back and neck discomfort with improved posture and the freedom to use both hands Combines the clarity of traditional corded technology with the mobility of wireless Employees can continue digitally secure phone conversations while moving about the office Voice-dedicated DECT 6.0 technology delivers premium audio quality Latest wireless technology ensures call privacy with digitally-encrypted security Conduct a full day of wireless business talk hands-free for up to 10 hours No overnight wait: the headset is 80% recharged in 1.5 hours and fully recharged in under three hours Best-in-class audio exceptional receive and transmit quality rivals landline phone performance Binaural earphones: Total-focus sound reduction Design based on the popular all-day wearing style of the Plantronics SupraPlus H361. CS361 SupraPlus Interactive User Guide: Installing Plantronics Wireless Office Systems is now easier with our new Flash-based quick start guides. These companion pieces to the printed user guide are simple to use and easy to follow.