Plantronics CS540 Wireless Convertible Headset System (PLNCS540)

Mono - Wireless - DECT - 350 ft - Over-the-head, Over-the-ear, Behind-the-neck - Monaural - Semi-open - Noise Cancelling Microphone - Black, Silver

• Wireless headset for use with office phone offers superior comfort and mobility up to 350 ft.
• Digital encryption assures secure conversations
• Voice-dedicated, 1.9 GHz DECT technology provides superior audio quality; up to 6-hour talk time
• Battery is 80% recharged in 1.5 hours and fully recharged in 3 hours
• 3 wearing styles for ultimate comfort; wideband audio support and noise-canceling microphone