Wireless Office Headset System offers style and unmatched comfort. Ideal for on-the-move office executives. Lightweight, over-the-ear design combines sophisticated style with all-day wearing comfort. Whether moving between meetings, conferring with colleagues, or taking calls in offices, executives can use the CS70 to go wherever business takes them up to 300' from their desk phone. Leading-edge, voice-dedicated DECT 6.0 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.