The WH-CH720N is a wireless headphone with Digital Noise Cancelling. The lightweight over-ear design is perfect for commuting and everyday music enjoyment. A powerful companion app provides extensive custom features, including sound and noise cancelling adjustment. Long battery-life, quick charging and handsfree voice calls, with multipoint, also make this headphone a smart choice for both work and pleasure. Key Features Bluetooth v5.2 and Digital Noise Cancelling Up to 35 hours battery life with Noise Cancelling High quality sound reproduction with Integrated Processor V1 Multipoint connectivity and clear voice calls Adaptive Sound Control can automatically adjust to activity or location Lightweight over-ear design can swivel to a flat, easy to carry shape Sony | Headphones Connect companion app for EQ adjustment and more Up to 35 hours battery life with Noise Cancelling Supplied 3.5mm cable for wired operation USB Type-C™ with Quick charge; 3mins charge = 60mins of music