This Bluetooth headphone brings a splendid sound without cables. It is made of quality UV and has the foldable design. The most impressive function is that it holds TF card which allows you to listen to music without connecting to the phone or computer. You can also use a cable to attach it to your phone or different device. It is easy to pair with devices that support Bluetooth use. Connecting device involves a smartphone, laptop, iPad, kindle, etc. A built-in a stereo microphone that allows you to communicate to your buddies by the headphone anytime. Very suitable for elongated usage. Just put these on after a bad day and rock away your troubles.