12-sided 3D flip timer geometric creative time reminder vibration touch kitchen learning timer <p>[Easy to Use] Press and hold the switch to turn on the Productivity Timer. Once turned on, briefly press the switch for about 1 second to change the ringtone/vibration mode. Flip the timer so that the preset time (number) is facing up, and the timer will automatically count down. The indicator light remains on throughout the countdown and flashes as a reminder 10 seconds before the end of the countdown. If you need to reset the time, simply flip the timer over. </p> <p>[11 Preset Times] The Productivity Cube offers 11 preset times: 1/3/5/10/15/20/25/30/45/60/90 minutes. Switch the cube timer to the desired preset based on the duration of your activity. Compared to ordinary timers, time settings are fewer and simpler. It's perfect for studying, cooking, reading, exercising, brushing teeth, and more. </p> <p>[Ringtone + Vibration Reminder] The Focus Timer offers both ringtone and vibration modes. Choose the appropriate mode based on the time and location to avoid disturbing others, especially in quiet places like offices or libraries (vibration mode). We recommend using ringtone mode for special attention or urgent matters. </p>