Over-ear headphones. Features: QuietPoint active noise-cancelling technology powered by a proprietary four-microphone multi-feedback system greatly reduces environmental noise. Bluetooth wireless technology with touch and swipe controls built into the earcup for answering/ending calls, controlling music playback and adjusting volume on connected devices. Foldable design makes headphones ideal for travel. On a full charge, internal battery provides up to 20 hours of continuous use of Bluetooth wireless and noise-cancelling technology. Included 1.2 m cable with 3.5 mm stereo mini-plug and 30 cm USB charging cable.