To operate the buttons, please refer to the following steps:
1. Press the Power Button (<1 second) to start/shut down the product;
2. In the startup state, press and hold the Power Button (>1 second) to pause;
3. In the pause state, the toothbrush will be shut down directly after the pause time is more than 30 seconds. Press the Power Button again within 30 seconds to restart it, and continue the last brushing timing;
4. In the startup/pause state, press the Mode Button to switch over gears, and cycle from the first gear "Standard Mode" to the second gear "Gentle Mode" and the third gear "Custom Mode";
5. After switching to Gear 3, pressing the Mode Button again will make the toothbrush return to Gear 1 and cycle between modes;
6. When the startup time is no more than 10 seconds, press the Mode Button to shift gears and restart the 2-minute timer. When the startup time is more than 10 seconds, press the Mode Button to shift gears and it will shut down directly;
7. In the shutdown state, turn on the toothbrush and it is in the same mode as the last time it was used;
8. It can memory the mode last time when the toothbrush is shut down caused by charging, timer ending, pausing over time, or starting up more than 10 seconds.