For price excellent headphones. Sound loud, high volume strong no distortion, the bass is, but don't expect the same, as from huge columns with sabbuferom. THE curtain can be seen how much is left battery, the headphones themselves only blue LED indication.
One of these negative, can not be simultaneously connected to the laptop and the phone. But individually does its headphones do fine, launched on laptop film, you can pause, include the following film, change the volume. The headset is also quite works