MEE audio HT-21 Portable Travel Headphone with Swivel Cups and Lightweight, Adjustable, Foldable Headband - Black (2nd Generation) Updated sound tuning with clear, spacious sound and enhanced deep bass Lightweight, comfortable fit with adjustable headband and swiveling ear cups Closed design keeps the sound from disturbing your neighbors Single-sided cable eliminates tangling and increases durability Ear cups fold flat into the headband for compact storage; soft carrying pouch and 1-year manufacturers warranty included Connectivity Technology: Wired Spacious, clear sound with deep and enhanced bass Closed back design offers isolation and keeps the sound from disturbing your neighbors Headband is adjustable to fit different sized heads Ear cups swivel for comfort Single cable (on the left ear cup) eliminates tangling