The Bose QuietComfort 15 (QC15) is a wired headphone with active noise cancellation, suitable for studio monitoring and portable audio use. It has a double earpiece design with ear-cup (over the ear) fit and a black and silver color scheme. The headphones come with a case and new earpads. It features Bluetooth, 2.5mm jack, and 3.5mm jack connectivity, and has a built-in microphone with on-cable type. Other features include volume limitation, ambient sound mode, detachable cable, and adjustable headband. The cable length is 6ft.