Poly (Plantronics + Polycom) Plantronics - CS540 Wireless DECT Headset (Poly) - Single Ear (Mono) Convertible (3 wearing styles) - Connects to Desk Phone - Noise Canceling Microphone

Plantronics legendary CS family is setting a new wireless standard for desk phone communication with the CS500 Series; The system features a convertible headset, streamlined design and improved performance all with the same renowned reliability. Features: * Connects To: Desk phones via included cable * Ideal For: Office and desk-centric workers using desk phones * Audio Performance: Keep background noise out of your call with a noise-canceling microphone * Talk Time and Roaming Range: Work Better, Hands Free, with a roaming range of up to 120 m/400 ft; Talk all day with up to 7 hours of talk time per charge