4. FUNCTION AND DISPLAY
4.1. WORKING MODE
4.1.1 When the battery is enough to work, the LED light will be on or
off according to the working condition.
4.1.2 When the battery capacity is 10% or below 10%, light 1 will flash
continuously ( quick flash for 0.25s on/off)
4.1.3 When the battery too low to work, the fan will be off automatical-
ly. Press the button again, light 1 will flash 5 times (quick flash for
on/off –-interval for 0.25 second per time ), then turn off automatical-
ly(only LED flash without fan working).
4.2. CHARGING MODE (Off)
When the appliance is off, and charge the unit with USB cable. Light 1
will flash continuously (slow flash for on/off –-interval fo1 second per
time ), When it is fully charged, light 1 will be on without flash.
4.3. CHARGING MODE (On)
4.3.1 When powerless, the low battery indicator flashes quickly when
the charger is not connected. When the charger is connected, the
charging indicator flashes slowly (on-1s, off-1s), indicating that it is
charging (as long as the charger is connected, the charging indication
takes precedence) until the battery is fully charged.
4.3.2 When charging, light 1 still flashes slowly after powering on at
mute speed, and other speed indicators are on according to the
corresponding working speed.
4.3.3 If the battery voltage is too low for working when charging, the
1st indicator will flash 5 times (on-0.25s, off-0.25s) and automatically
off.
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