After repeated pressing of the soft rubber switch, this will be lost in the case. Among them is a tiny switch, so small that one suddenly understands why the rubber button sometimes does not work. Somehow you get the rubber thing back into place. Since the switch but still only sometimes achieved its goal, which really does not help also. At the end of the mini button is pushed deeper into the case, and the device refuses to function before the first rechargeable batteries are empty. Twice bought regret twice.
