The lever balances the unloading modeling, redesigns the position of the motor and the battery, shifts the center of gravity of the whole machine, and it is easy to push and lift. 60 ° angle handle, secondary load reduction, so that the weight of the dust on the hand is reduced again, double easy and labor-saving cleaning. Upgrade the dynamic structure of double blades, in the scope of wireless vacuum cleaner, the same power, vacuum degree increased by about 66%, lightning vacuum.