(1) Plantronics Voyager 4210 Bluetooth Mono B4210T Mobile Headset without BT600 USB Adapter Refurbished One without Original Box Model B4210T Mono Bluetooth Headphones Plantronics Voyager 4210 Mono Bluetooth Headset B4210T Plantronics Voyager 4210 Bluetooth Mono wireless headset without BT600 USB Bluetooth adapter. Plantronics Voyager 4210 Bluetooth headset is a "single" ear headset. It has noise-cancelling mic to block unwanted office chatter and noise so your listern don't hear the office noise. With other Bluetooth devices, you only get 30ft. compatible with PC or Apple Mac or any mobile device or tablet. Plantronics Voyager 4200 series. Key Features: 2 microphones: 1 uni-directional; 1 MEMS-directional Bluetooth v4.1 version Battery Capacity: 360mAh typical / 350mAh minimum Battery: U.
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