The vacuum cleaners can be converted into a handheld vacuum cleaners by the air duct and equipping it with a replacement gaps nozzle, suitable for various hard surfaces, stair sills, sofas, beds, tables, curtains Handheld vacuum cleaners can be easily operated with single hand Fine, hair, litter and other large particles can be easily handled, solving the problem of the roller brush being unable to vacuum due to tangling hair Linearly wind rails technology avoids suction loss, making the air duct smoother, more efficient, and strong Easy to clean: The bin is detachable and washable, bidding farewell to tedious operations