Sport exercise headphone, with HD music play, enjoying music and other audio when doing exercise! Highly compatible BT 4.1, you can connect the headphone easily with your phone. It also has built-in microphone, which can answer the call conveniently without holding your phone. Special magnet attached design prevents tangles when 2 plugs stick together. Light weight makes you easy to wear it even a long time.Order it online from Jamboshop today and have it delivered straight to your doorstep.