Plantronics Blackwire C435-M Earset - Stereo, Mono - USB - Wired - Over-the-ear, Behind-the-neck - Binaural - Open - Noise Cancelling Microphone 85801-01

Discreet design. Powerful performance. Meet the first headset designed for Unified Communications that's as discreet as it is professionally sound. Providing a choice of mono or stereo audio options and wearing styles, a durable protective carrying case and the superior audio quality you've come to expect from Plantronics - the new Blackwire 435 has the perfect balance of style, sound and flexibility.