Poly / Plantronics Poly Voyager 4320 USB-A

Wireless duo headset for PC/Mac, mobile and tablet Multipoint solution: simultaneous connection to 2 devices Dynamic equalising speakers optimised for the entire range Integrated dual-microphone: natural voice transmission Acoustic Fence Technology: background noise reduction SoundGuard Digital technology: hearing protection for users Improved battery life: up to 24 hours talk time (50 days standby time) Headset controls: answer calls, ON/OFF, mute, ± volume, Bluetooth Connectivity: Bluetooth + USB-A (via included dongle) CPU-optimised product