UNBEATABLE WARMTHThe Lovespun has a classic knitted look that's perfect for the jet setter to the beach life. Listen to music, chat on the phone, all while keeping those buggy headphones off your head. Features: built-in wireless headphones, microphone, wireless track controls, wireless volume controls, continuous working time of 6 hours, USB charging time of 2-3 hours, made of 40% cotton and 60% acrylic.