Crystal-clear conversation in total comfort with noise-filtering microphone and enlarged earpads Plug-n-play, 2.4GHz wireless transmissionRotate-to-mute noise-filtering microphoneAcoustic tuning with built-in equalizerLong-lasting comfort with enlarged 70mm leather earpads Shop Modal header Crisp and clear conversation in total comfort Plug-n-play, 2.4 GHz wireless transmission No troublesome wires or installation issues. Simple plug-n-play setup allows you to enjoy wireless internet calls and music up to 15-meter range without being tethered to the desk. Noise-filtering microphone A noise-filtering microphone ensures quality speech clarity while filtering out ambient background noise – every word of yours matters! Equalized digital audio A built-in equalizer optimizes voice and music, delivering clear and faithful sound reproduction. Dual 40mm drivers ensure full-range stereo sound. 8-hour rechargeable battery The HS-W1 provides you up to eight-hours of non-stop conversation. If you are running low on battery, just plug the headset into a USB port without missing a beat. Long-lasting comfort with enlarged 70mm cushions An ergonomic design with dual 70mm cushions keep you comfortable by easing pressure points; perfect for relaxed all-day usage. Rotate-to-mute microphone The microphone automatically mutes when raised, and immediately picks up a call by rotating the microphone down. Easy on-ear volume controls Convenient volume adjustment with control buttons right on the ear pad. Portable design Foldable design with a slim durable touring case that fits handbags or suitcases – ideal for the business traveler.