1, pressing the switch at the machine opens up the machine to send a sound, the blue LED is on, a small sub-section 3, on behalf of 3 stalls.
2, after use, press the switch, turn off the machine, the machine sinking sound uttered, blue lights off.
3. When charging, the machine sound uttered rise (not continuous ring), the blue indicator light up sequentially from left to right; when fully charged, the blue LED will light up.