Me he has not at all convinced. He can not be charged with my external adapter, but only via PC and discharges with me overnight. Even otherwise, the battery life is not the degree of madness. The display is totally pixelated and I anyway no good eyes have very stressful to you lesen.Wenn rankommt for me thus to a button while Hold is on, the display will light up with a message. Maybe that accuses so on the battery, who knows. The processing is fairly inexpensive and has not very stable to me. For the price I would have expected more. Go back. But was praiseworthy of super fast shipping!