Plantronics Voyager 4210 Bluetooth Mono USB wireless headset with BT600 USB-A Bluetooth adapter (class 1). Plantronics Voyager 4210 USB Bluetooth headset is a "single" ear headset.  It has a noise-canceling mic to block unwanted office chatter and noise so your listeners don't hear the office noise. Class 1 Bluetooth allow up to100 feet of range when used with the Bluetooth BT-600 adapter (included). With other Bluetooth devices, you only get 30ft. compatible with PC or Apple Mac or any mobile device or tablet.

Features

* Certified for Microsoft Skype for Business

* Built for UC applications and softphones from Avaya, Cisco, Skype and others

* Up to 98 ft/30 range from supported smartphone or laptop with optional BT600 Bluetooth adapter (less with other Bluetooth devices)

* 2 microphones: 1 uni-directional; 1 MEMS-directional

* Bluetooth v4.1 version

* 360mAh typical/350mAh minimum

* Battery: Up to 12 hours talk time, 13 days standby time

* Weight: 110g

* Call Controls: Track forward/track back/pause/play, mute, answer

2 years carry-in warranty

Brochure:  http://www.businessmachine.com.hk/userfiles/files/voyager-4200.pdf