The Sony Wh 1000XM6 Black wireless headphones offer noise cancelling with an adaptive optimizer, ambient sound mode, Bluetooth, high resolution audio, a game equalizer, and Dsee Extreme. They provide a 10m wireless range, operate on a 2.4 GHz frequency, and charge via Usb. Battery life lasts up to 40 hours with noise cancelling off. These over ear headphones have a 48 ohm impedance and measure 8" W × 9" H × 3" D. This package includes 3 years of coverage—1 year of manufacturer warranty plus an additional 2 year Amber Protection Plan. Designed for residential use only.