Generally, it is the way to plug in the power supply and charge. Charging will have an indicator light. Vacuum cleaners can be divided into vertical, horizontal and portable according to construction.
The working principle of the vacuum cleaner is to use a motor to drive the leaf to rotate at high speed, generate negative air pressure in the sealed housing, and absorb dust.
Special screws should be removed with a special screwdriver, and there is also a filter in the place where the air is emitted, and most of the dust should be in this place.
The switch is a cocked one. 1 is off, 0 is on. The effective press, that is, the anti-effective tilt, is to open this switch in winter, to compensate for the temperature.
V7 V8 charge 3.5 hours for the first time, V10 11 4.5 hours, later 3, 4 hours