WH CH720 Wireless Black NC HeadphonesThe WH CH720N Wireless Noise Cancelling Headphones offer Noise Cancelling, up to 35 hours battery life, premium sound quality, along with crystal clear calling and a range of features to make them easier to use. With quick charging, you can enjoy more music without worrying about running out of charge. The WH CH720N has Multipoint Connection, easy button operation, and can even be controlled with your voice. Since connection is easy with Swift pair