DESC: Plantronics AWH75N Headset System Noice Cancelling - Ideal for on-the-move office executives, the AWH-75N boasts a lightweight, over-the-ear design that combines sophisticated style with all-day wearing comfort. Whether moving between meetings, conferring with colleagues, or taking calls in offices, executives can use the Plantronics Avaya AWH-75N to go wherever business takes them—up to 100 meters from their desk phone. Leading-edge, voice-dedicated DECT 6.0 (1.9Ghz) technology provides best-in-class audio quality, digitally-secure communications, and the lowest probability of interference with other wireless devices.