Black Office/Call center Head-band Headset Wireless Bluetooth 4.1 30 m Circumaural Built-in battery Lithium Polymer (LiPo) 325 mAh Collaborate with ease anywhere with this Teams certified wireless headset which offers active noise cancellation and smart sensors that automatically mute and unmute your call. Performance Product colour Black Recommended usage Office/Call center Wearing style Head-band Product type Headset Ports & interfaces Wireless range 30 m Bluetooth profiles A2DP, SBC, mSBC Bluetooth version 4.1 Bluetooth Yes Connectivity technology Wireless Headphones Ear coupling Circumaural Battery Battery recharge time (charging case) 2.5 h Continuous audio playback time 15 h Battery capacity 325 mAh Battery technology Lithium Polymer (LiPo) Battery type Built-in battery Battery operated Yes System requirements Mobile operating systems supported Android, iOS Mac operating systems supported Yes Windows operating systems supported Yes Weight & dimensions Weight 155.1 g Logistics dat