It is a simplest ultimate stopwatch and timer free app of the power saving to notify time by the voice at the specified interval time. The stopwatch and timer can be used without seeing the screen with a smart phone put in the pocket to inform them of the elapsed time by the voice. Therefore, you do not need to move the face. In addition to can be started automatically after the voice of countdown. You can perform the necessary preparations during the countdown. Please use it by soccer, futsa