Product Features: Brand: Master & Dynamic Model Number: MW50B1 Color: Black Connectivity: Wireless Compatible With: All Type: On Ear Noise Cancelling: Yes UPC-A: 858821006370 Dimensions: 190 x 175 x 60 mm Drivers: 40mm Beryllium Diaphragm Impedance: 32 ohms Product Weight: 240g Battery Life: 16 hours Materials: Grain Leather, Leather, Stainless Steel, Aluminum Cable: Detachable 1.25m standard cable, USB-C charging/ updating cord Headphone Connection: 3.5mm Passive Audio input/ USB-C, charging/firmware update input Ear Coupling: Supra-aural on-ear Microphone Type: Dual Omni-directional microphone array Ear Pads: Detachable leather memory foam Bluetooth Profile: Bluetooth 4.1 with aptX audio Details: Technical features include best-in-class (3x industry average) signal range and a 16-hour rechargeable battery combined with a minimal industrial aesthetic and signature rich, warm sound. Headband exterior surface and ear cup accents, soft leather on headband interior and ear pads. Memory foam, wrapped in leather, providing superior comfort and breathability, removable for cleaning. Noise-isolating microphone to provide superior clarity.