There are currently 4 models of Xiaomi wireless vacuum cleaners on sale, for friends who don't know how to choose, I recommend to you in detail which Mijia wireless vacuum cleaner is cost-effective. 
4.5 meters long, 79db noise, 600w power 16000pa suction, suck hair, cat hair sucking, cat litter is no problem, the suction is very strong, the suction is very clean more than 100 yuan**Very cheap 20000pa large suction, support mopping function, equipped with soft velvet floor brush, except end brush, two-in-one flat suction soft velvet floor brush suitable for cleaning floors, tiles, marble floors and other hard surfaces. The electric deception brush is suitable for cleaning dust and insects on the surface of fabrics such as bed sheets and bedding. The two-in-one flat suction head is suitable for cleaning the narrow gaps such as the corners of doors and windows, wall corners, stairs, as well as the dust of sofas and desktops, and is equipped with electric floor brushes, long flat suction nozzles, and brush suction heads, with standard and high-grade, of which the high-grade suction power is 14kpa, and the standard gear battery life is 35 minutes.
Equipped with crevice suction heads, brush suction heads, electric deception brushes, electric anti-tangle floor brushes with 21kpa large suction gear, as well as 12kpa automatic gear, 3000mAh lithium battery, with a lasting range of up to 70 minutes with LCD color screen, which can clearly display the gear and power.
There are 3 suction levels to adjust, with a suction speed of 20kpa, and a long-lasting battery life of 45 minutes. Equipped with crevice suction heads, brush suction heads, electric brush removers, and electric velvet floor brushes, the weight is only 12kg, suitable for girls or the elderly, in addition, it also supports mopping function, but you need to buy the Mijia Cordless Vacuum Cleaner 2 slim wet mopping set separately.