Plantronics® CS540 Convertible Wireless Office Headset System
84693-01
Digital encryption for clear and private calls. 1.9 GHz frequency. Allows calls to be taken up to 350' away from phone. Up to 7 hours of talk time. Headset converts from over-the-ear to over-the-head wearing style. Noise-cancelling microphone. RJ9 connector.