Ultra portable design so you can listen to your music wherever you are plays music up to 30 ft 10 m from any bluetooth enabled device such as your smartphone notebook tablet etc works for up to 5 hours wirelessly from a single charge built in microphone for hands free calls anywhere ultra portable design so you can listen to your music wherever you are plays music up to 30 ft 10 m from any bluetooth enabled device such as your smartphone notebook tablet etc up to 5 hours of w