The signature handcrafted acetate body and stainless steel case are infused with updated technical features and maintain Master & Dynamic signature brilliant sound. Battery life up to 40 hours total playtime, Bluetooth 5.0, and including Active Noise-Cancelling and Ambient Listening Mode, these noise cancelling earphones provide the ultimate true wireless listening experience.\n\n**Features**\n\n\\- Custom 10mm beryllium drivers\n\n\\- Battery life up to 40 hours \n\n\\- IPX5 water resistance rating\n\n\\- Two microphones\n\n**Content + Care**\n\n\\- Includes earphones, charging case, canvas earphone pouch, 3 fit-wing + 5 ear tip sizes, USB adaptor, USB-C charging cable\n\n\\- Wipe clean\n\n\\- Imported\n\n**Size**\n\n\\- Dimensions: Wireless Earphones: 22.5mm x 19mm x 25mm, Case: 64mm x 45mm x 26mm\n\n\\- Weight: Earphones: 9g each, Charging case: 84g