Unfortunately for me unusable. The fact that the shell is designed which anyway thick smartphone yet chunky still bearable. Unfortunately, I can not accept that the knobs (volume, on-off, Photo) thus lie in the recesses decentralized and the plastic frame of the envelope there. Worse pressure comfort. It acts as if the envelope got a few millimeters too short. So the current operating time is 3 minutes, I reach to prefer alternatives. Since there is almost no matter how high or low the price is. Too bad. The material appearance would otherwise namely not so bad.