Ultra-HD aptX Audio, Sweatproof, Retractable Cord, Phone calls, Microphone, Adjustable Headband, Built-In On/Off Switch, Closed Back, Detachable Cable, Extra Bass, Foldable, In-Line Control, Noise Cancellation, Noise Isolation, Playback Controls, Rechargeable Battery, Rotating Ear Cups, Stereo, Volume Control