The EPOS | SENNHEISER ADAPT 661 is a wireless Bluetooth headset that simultaneously connects to your PC / Laptop and Smartphone and lets you effortlessly switch between devices for call and music. 3 Noise-canceling microphones powered by AI optimise your voice for crystal clear calls. Two adjustable levels of Adaptive ANC (Active Noise Cancellations) block out ambient noise making it easy for you to concentrate in noisy environments. The battery fully charges in 3-hours. EPOS state this will last for up to 30 hours. The ADAPT 661 is certified for Microsoft Teams and features a dedicated teams button. It will work flawlessly with all UC Softphone platforms. This is an ideal headset for hybrid workers, remote workers and for those who work from home. Features: Cordless Telephone Headset Crystal Clear Calls 1001004 Specifications: Dimensions: H:6.0 x W:16.0 x D:20.0 cm Colour: Black Guarantee:2 years Material: Plastic Model Number: 100010709