How to choose a car wireless vacuum cleaner?

As a person with slight cleanliness in life, the first thing to buy after buying a car is a car vacuum cleaner. Choosing a car vacuum cleaner should start from the following three aspects. 

First, look at performance. The main indicators to measure the car mini vacuum cleaner are power and vacuum. In principle, the greater the power, the greater the suction, but the vacuum is also required. 

Second, the first handheld car vacuum cleaner I used was wired, which was plugged into the cigarette lighter. It was too inconvenient to drag a long line in the narrow space of the car, and it was in the trunk. Can't reach at all. So my first requirement when choosing a wireless car vacuum cleaner must be wireless. 

Third, portable. My cordless car vacuum cleaner is usually placed in the car, so I take it out and inhale when nothing happens. It is too bulky and inconvenient to use. 

Fourth, the battery life. A charge can only be used once, which can not afford to hurt. Fifth, the size of the dust box. Halfway through the suction, we need to find a place to clean up the garbage, which affects the experience and efficiency of use.