Wireless over ear headphones. Listen in comfort whether you're on a call, working from home or taking a moment for yourself.  Adaptive Active Noise Cancellation - auto adjust to your surroundings 40mm Drivers with neodymium magnets Customize preferences with Beosonic Tuning in Bang & Olufsen app Center relief comfort zone on headband Soft lambskin and memory foam ear cushions Form-fitting fabric case protects headphones while not in use Lightweight aluminum frame Up to 35 hours of use with ANC enabled. Multipoint - 2 active devices concurrently Frequency range: 20Hz-20kHz Audio cable with 3.5mm jack included USB-A to USB-C charging cable included Approx. dimensions (Width x Height x Depth) (mm): Headphones: 195 W x 200 H x 52 D Carrying case: 200 W x 180 H x 63 D Approx. weight (g): Headphones: 285 g Carrying case: 360 g Imported.