The high-efficiency filter is used, which can inhale dust particles and can be washed with water to effectively prevent the garbage residue from producing peculiar smells and affect the attenuation of suction.PRODUCT PARAMETERS:Voltage: 12vMaterial: ABSCharging method: USBINSTRUCTIONS FOR USE:First remove the face cover.Press and hold the vacuum button and release it to activate the vacuum function.Equipped with a long suction tube and a brush, which can be used flexibly for vacuuming.Press the vacuum cleaner again to turn off the vacuum function.PLEASE NOTE:The filter must be installed when in use.Do not expose it to direct sunlight, and do not use it in high temperature and high pressure places.The front shell cannot be removed when the motor is rotating.It is forbidden for children to use it alone to avoid danger.Do not smoke foreign objects that are burning, such as unextinguished cigarette butts, etc.PACKAGE:1x vacuum cleaner1x straw1x USB line1x brush1x manual