Poly Voyager 4320-M Microsoft Teams Certified USB-C Headset +BT700 dongle TAA - Microsoft Teams Certification - Google Assistant, Siri - Stereo - USB Type C - Wired/Wireless - Bluetooth - 164 ft - 20 Hz to 20 kHz - Over-the-head, On-ear - Binaural - Supra-aural - 5 ft Cable - MEMS Technology, Electret Condenser Microphone - Noise Canceling - Black - TAA Compliant

• Cut wires. Cut Costs.: Free your workers from their desks with the entry-level Bluetooth® wireless headset. Meet the Voyager 4300 UC Series. It's 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 50 m / 164 ft of wireless range. Reduce background noise and control your conversations with Acoustic Fence technology.
• Round-the-clock efficiency: Boost your productivity with continuous comfort, up to 24 hours of talk time, and connectivity to multiple devices. Extend your talk time by using the desktop charge stand or by using the headset in the corded USB mode.
• Features | Escape your desk: Walk-and-talk with ease with up to 50 meters / 164 feet of Bluetooth® wireless range with included BT700 USB adapter.
• It's your call: Stay productive with up to a full 24 hours of wireless talk time.