Intelligent noise control: Improve your concentration by blocking out ambient noise with adjustable Advanced ANC or tap to let outside noise in with HearThrough Technology For clear indoor and outdoor calls: Optimal voice transmission thanks to advanced 8-microphone technology - flexible hide-away boom arm with built-in mute and auto-answer functions All-day comfort, increased mobility, longer use: Extra soft cushions - 30 m wireless range while connected to PC and phone - up to 36 hrs of battery life - fast charge and charge-and-talk USB options Optimised for all leading UC platforms: These Unified Communications certified headphones are engineered for easier connections, smoother navigation and a seamless interaction with colleagues In the box: 1x Jabra Evolve2 75 Headphones, USB-A Link 380 Bluetooth Adapter and USB-A cable, Carry Pouch, Headset Weight: 197 g / 6.9 oz, Colour: Black. All in sustainable recycable packaging Product comes with a 2-year warranty - registration required