Mono – USB Type a – wired – 20 Hz – 20 kHz – over-the-head – monaural – supra-aural – noise cancelling microphone
blackwire
Plantronics Smart Sensor Headset – Intuitive Call Management
SMART SENSOR TECHNOLOGY: Intuitively manages calls and audio so you can answer a call by simply placing the mono headset on your head.
Plantronics Single Ear USB Headset with Boom – Save on Deals
Intuitive Inline Controls For Call Answer/End, Mute, Volume /-