•Power On: Press the power button (to turn on), the default mode is high-speed. Press the power button again to switch to Low Speed, and press it again to Turn Off the device.
•Mode Switch: Press the power button to switch between High-speed and Low-speed (High-speed mode outputs 100%, Low-speed mode outputs 90%).
•Child Lock: Long press the power button to activate the Child Lock. Press and hold again to turn off the Child Lock.
•Charging Status: During charging, the High-speed indicator on the display will blink. Once fully charged, the light will stay on.
•Low Battery: When the battery is low, the High-speed indicator will blink.
•Automatic Shutdown: The device has an auto-shutdown feature. If the device is turned on and no operation is performed, it will automatically turn off after 8 minutes.