808 DUO Wireless and Wired Precision-Tuned Over-Ear Headphones - Matte Black Enjoy studio quality sound wirelessly with Bluetooth or go wired Listen, control music and take calls directly from the headphone Use wirelessly up to 12 hours with built-in rechargeable battery Accurate and tight bass from 40mm high-performance drivers Foldable design with noise-isolating, soft form-fitting padded cups Includes detachable tangle-free flat cable with microphone and pro-style DJ cable and a durable carrying case