Fresh 'n Rebel Bluetooth headphones have taken the name Clam from the way they includes the user's ears, like a shell. So you can enjoy your favorite music or talk to phone in complete silence, without bothering you with outside noise. Active Noise Canceling technology helps, of course. They are easy to carry because they fold and fit into the case provided with the headphones. It takes 3 hours to complete charge and last up to 35 hours of continuous operation.