Voyager 4220 USB-C Headset

Connectivity technology: wireless, Bluetooth 4.1. 25m wireless operating distance. Stereo. Impedance: 32 ohms. 20 - 20000 hertz frequency response.94 decibel sensitivity. Mute, Play/pause, Next/previous track, Answer/end, Volume controls. Soundguard technology. Uni-directinal microphone boom. USB-C connectivity. Rechargeable headset battery. Up to 12 hours of run time. Sold by each. Black.