Sony Noise Cancelling Headphones WHCH710N: Wireless Bluetooth Over the Ear Headset with Mic for Phone-Call BLACK COLOR Style: WHCH710N Brand Sony Color Blue Connectivity Technology Wireless Model Name WHCH710N/L Form Factor Over Ear About this item 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 Next-generation USB type-C charging. Battery Type: DC 3.7V - Built-in lithium-ion rechargeable battery Connector type: USB type C From the manufacturer Comfortable, long lasting noise canceling WH-CH710N Wireless Noise Cancelling Headphones Headphones that cancel out the world Whether you?re taking a long-haul flight or commuting to work, the CH710N noise-canceling headphones automatically collect information about your environment and improves the noise canceling performance accordingly. Listen longer Up to 35-hour battery life and Quick Charging Keep your music playing all day with a battery that delivers up to 35 hours of power. USB Type-C quick charging gives up to 60 mins of play back from 10 minutes of charge.