Up to 37 Hours of Battery Life Active Noise Cancellation Optimized for Microsoft Teams 10 Integrated Microphones Hideaway Boom Mic with Auto Mute Cushioned Memory Foam Earcups Busylight is Seen from Any Direction 40mm Drivers Ergonomic Cushioned Headband USB Type-C Bluetooth Adapter Features Block out the world and take important calls almost anywhere with the Evolve2 85 Noise-Canceling Wireless Over-Ear Headset with Stand from Jabra. Featuring active noise cancellation technology, the Evolve2 85 headset uses built-in microphones and processing power to filter out distracting ambient noise, leaving you isolated so you can focus on that critical business call. Utilizing wireless Bluetooth technology and an included USB Type-C adapter, you can take a call at your desk or on the go. Barely used!