Ergonomic design make it comfortable to wear, with excellent noise-cancelling function;Folding design make it convenient to carry.The folding part have been tested for over 20000 times;The 360 degree pickup microphone make it have high-definition voice calls;Compatiable with all Android phones, IOS, winphone and Blackberry system phones. End/Answer phone calls, Pause/Play music, support with switch of previous/next songs;The use of protein genuine leather earmuff, make it comfortable for long time wearing