Poly Wireless Decttm Headset System For Desk PhonesExperience unrestricted communication with the Poly Wireless DECTtm Headset System for Desk Phones. This unbeatable combination of mobility, clarity, and comfort is engineered for busy offices where every second counts. With a roaming range of up to 120 m 400 ft from the base, you can move freely around the workspace, conference room, or touchdown zones without dropping a call. The system delivers up to 12 hours of talk time on a single charge,