Plantronics Voyager 5200 Office 2-way base is a triple connectiving wireless headset.  It allows you to connect it to a deskphone, computer, and a Bluetooth mobile phone. Plantronics Voyager 5200 office is a sleek, light weight class 1 Bluetooth headset.  You can use it to listen to music on your smartphone or any computer based softphone. It has advanced 4 noise canceling microphones that is also windsmart that can filters out wind noise noise if you use it as a mobile phone headset. 

Features:

* Triple connectivity: Connect to deskphone, Bluetooth mobile phone, or computer (PC or Mac), USB-A

* Long range bluetooth up to 250 ft (75 m)

* Call control on the headset (answer/end, volume up/down and mute)

* 7 hours talk time (9 days standby)

* Digital MEMS omni-directional four mic array

* Design for outdoor use, with windSmart technology and P2i coating for moisture protection

* Six layers of WindSmart technology, PC wideband and mobile wideband: up to 6,800 Hz; echo cancellation, proprietary DSP, A2DP

* headset weight 20 grams (0.04 lbs)

* Amazon Alexa compatible

* Remote answering with lifter (HL10) or electronic hook switch module (EHS), sold separately