
2. Powering on and off
● When the device is switched off, long press the switch/intensity button
for 2s to turn on the device.
● The device will automatically turn off if no operation and no contact
with skin is made within 60 seconds after being powered on.
● Long press the switch/intensity button for 2s to power off the device.
3. Intensity selection
● The device’s default intensity is Level 1 (1 indicator on) when first pow-
ered on; it remembers the last intensity used when it is powered on subse-
quently.
● After switching on, press the switch/intensity button briefly to switch
intensity. The intensities are switched in the cycle of 1-2-3-2-1, and the
intensity light changes accordingly.
● The highest intensity is 3 (3 lights) and the lowest is 1 (1 light).
4. Power indicator
● The white light is on when the power is higher than 21% and the red
light is on when the power is lower than 20%.
● When the device is switched off, press the switch/intensity button to see
the power status.
● The power indicator is on when the device is switched on.
5. Low-power protection
● The low-power protection mode is turned on when the power is less
than 5%.
● Press the switch/intensity button and the red light flashes 10 times.
● Long press the switch/intensity button and the device does not power
on.
● When the device enters low battery protection, charge it before using it
again.
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