:Incredible Multi-layered Sound; Sleek Style - Ergonomic fit include ear cups layered with AeroFoam which fit comfortably over the ear and keep ambient sound out. - 40 mm drivers deliver powerful multi-layered vibrant sound. - On-ear controls intuitive volume and track control make taking calls and progressing through your playlist easy. - Built in mic for hands free calling - 10-hour battery life* keeps your music playing throughout any activity.|