How to use the button on the Xiaomi Massage Gun Mini 2?

Please refer to the following instructions to use the button correctly: 
1. In the power-off state, press and hold the power button for 1.5 seconds until the mode and intensity indicators turn on, indicating the device is powered on;
2. In the power-on state, press and hold the power button for 1.5 seconds, and the massage gun will stop working, and the intensity indicator will turn off, indicating it is powered off. The device will automatically power off after 15 minutes of continuous use, or after 2 minutes of inactivity;
3. In the power-on state, press the power button briefly to cycle through intensity levels 1, 2, and 3. The indicators correspond to levels 1, 2, and 3 from left to right;
4. In the power-on state, double-press the power button to switch between fixed-speed exercise mode and smart-speed massage mode. The corresponding mode indicator will keep in white;
5. If excessive pressure is applied, the protection mechanism will trigger and the massage gun will stop working. To restart, press the power button briefly within 15 seconds. If more than 15 seconds have passed, press and hold the power button for 1.5 seconds to power it on again;
6. If the device stops due to overload or is powered off, the system will remember the current mode and intensity level. Upon next power-on, the device will default to the mode and intensity used before it was turned off or overloaded;
7. The device will automatically power off after 15 minutes of continuous use or if no operation is detected for more than 2 minutes.