Premium, around-ear, open back headphones: Audiophile sound combined with premium design and materials Padded headband and luxurious velour covered ear pads perfect for long listening sessions with no pressure on the ears Multiple connectivity options: Robust 3 meter detachable cable and 6.3 millimeter jack and additional 1.2 meter detachable cable with 3.5 millimeter Jack Timeless design cues: Ivory color, matte finish together with the brown headband stitching and matte metallic detail convey quality at first glance Premium Components: Sennheiser engineered transducers use aluminum voice coils delivering high efficiency, excellent dynamics and extremely low distortion Connectivity technology: Wired Power source type: Battery