Silence the world - Dual Noise Sensor technology and V1 built-in processor take noise cancellation to a new level. Now you can silence the world around you and immerse yourself in your music. Comfort lasts, no matter how long you listen - Whether you're working from home or relaxing with your favorite content, the WH-CH720N have an ergonomic design designed to be lightweight and comfortable, and with up to 35 hours of battery life2, you can wear them for longer without needing a break. Sound as the artists intended - Enjoy natural vocals, crystal-clear sound and balanced settings thanks to the V1 built-in processor and Digital Sound Enhancement (DSEE) system, which reproduce high-quality sound as the artists intended. Advanced technology, better calls - Precision voice recording technology, beamforming microphone and wind noise reduction design give you clearer and more natural conversations during calls. Multipoint Connectivity - For complete convenience, these Bluetooth® headphones can be paired with two Bluetooth devices at the same time. So when there's a call, your headphones know which device is ringing and automatically connect to the correct one.