Poly Voyager 4320 Wireless Binaural USB-A Headset + BT700 Dongle UC Certified 76U49AACut wires. Cut Costs. Free your workers from their desks with the entry level Bluetooth wireless headset. Meet the Voyager 4300 UC Series. It is everything your teams need to stay productive and connect to all their devices whether at home or in the office. Freedom to work Move freely between all your workspaces with this portable headset Roam with ease with up to 50m (164ft) of wireless range Reduce background noise and control your conversations