PRODUCT OVERVIEW Turn down the world's noise with the long-lasting noise cancellation performance of the WH-CH710N wireless headphones. Dual Noise Sensor technology automatically senses your environment to deliver an amazing sound experience. With up to 35 hours of battery life, quick charging, and access to your smartphone's voice assistant, the WH-CH710N is sure to be a must-have for your travels. KEY FEATURES Cancel out the world with smart noise cancellation Noise cancellation automatically senses your environment with Dual Noise Sensor Technology Long-lasting listening with up to 35 hours of battery and quick charging Smartphone compatibility for hands-free calls and use with your voice assistant Wireless Bluetooth streaming with NFC one-touch Hear more detail with the 30 millimeter driver units Ultra-comfortable headphones design with adjustable metal sliders