Over-ear Bluetooth® model with hybrid noise-cancelling technology combining active noise cancellation and environmental noise cancellation for clearer calls. Multipoint connectivity supports pairing with up to 8 devices, with 2 active simultaneously. Flip-to-mute boom microphone. Rechargeable battery provides up to 70 hours of use on a single charge. Compatible with Windows, macOS, ChromeOS, iOS and Android. Contains 54% post-consumer recycled plastic content. 2-year limited warranty.