PRODUCT OVERVIEWTurn 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 FEATURESCancel out the world with smart noise cancellationNoise cancellation automatically senses your environment with Dual Noise Sensor TechnologyLong-lasting listening with up to 35 hours of battery and quick chargingSmartphone compatibility for hands-free calls and use with your voice assistantWireless Bluetooth streaming with NFC one-touchHear more detail with the 30 millimeter driver unitsUltra-comfortable headphones design with adjustable metal sliders