The 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 and Fast Pair, these Sony headphones are ideal for everyday use. With Precise Voice Pickup Technology, Wind Noise Reduction Structure, and beamforming mics to pick up your voice, you will enjoy clearer calls and better conversations with these over ear headphones.