Plantronics Avaya AWH-75 Wireless Office Headset System. Ideal for on-the-move office executives, the AWH-75 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-75 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. The discreet Voice Tube delivers superior audio clarity.