Urbanears Plattan ADV On-Ear Headphones, Black (4091044) 3D hinge: rotating metal parts for a custom fit Detachable fabric headband for easy wash and wear Detachable cable can be worn on either the right or left side Zound Plug allows for instant music sharing Collapsible structure folds down to the size of your fist for easy transport and storage Connectivity technology : Wired