The Sony WH CH720N is a lightweight wireless noise canceling headphone designed for all day comfort and immersive sound. It features Dual Noise Sensor technology and the Integrated Processor V1 which enhance noise cancellation allowing you to fully immerse yourself in music. The headphones offer crystal clear sound and high quality calls thanks to the Digital Sound Enhancement Engine (DSEE) and Precise Voice Pickup technology. With up to 35 hours of battery life you can enjoy extended listening sessions without frequent recharging. The headphones are also equipped with adaptive sound control which adjusts ambient sound settings based on your activity and location. Additionally they support multipoint connectivity allowing you to pair with two Bluetooth devices simultaneously for seamless switching. The Sony Headphones Connect app lets you customize sound settings and control noise cancellation levels making the WH CH720N a versatile choice for both work and leisure