Presenting to you the Awei A920BL Wireless Bluetooth Smart Sports Stereo Earphone. Sport exercise headphone, with HD music play, enjoying music and other audio when doing exercise! Highly compatible bluetooth 4.0, 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.