Poly / Plantronics Poly Voyager 4320 USB-A: Microsoft Teams

Wireless stereo headphones for PC/Mac, mobile phone and tablet Connectivity: Bluetooth + USB-A (via included dongle) with up to 2 devices Optimised dynamic equalizer speakers and Acoustic Fence Technology Built-in dual microphone: natural voice transmission SoundGuard Digital Technology: hearing protection for users Enhanced battery life: up to 24 hours talk time (50 days standby) Headset controls: call acceptance, ON/OFF, mute, volume ±, Bluetooth Certified for Microsoft Teams and UC optimised