OVER- EAR MODEL - Over-ear headphones that cover and close your whole ear to reduce ambient noise immediately. The ear cushions are made of protein leather and are therefore very comfortable 35 HOURS WIRELESS PLAYTIME! - Headphones with 35 hours wireless playtime after one single charge? Yes, your dream came true FOLDABLE & ROTATABLE DESIGN - The Clam is designed to be flexible. You can fold and rotate the earpieces and wear your Clam the way you like it