Mobile phone intelligent control, can also be started remotely. 1800mAh large capacity lithium-ion battery ensures up to 60-120 minutes running time after 3-4 hours full time charging by USB Automatic floor vacuum cleaner with drag, sweep, suction 3 functions in 1. One button easy for operation, suitable for daily cleaning of home and office Brushless motor provides powerful suction, dust / hair / small particles can be swept away Low working noise, quiet and comfortable, it does not affect your work and study Suitable for a variety of floors, tile, wooden floor, marble, terrazzo, etc., good versatility, to meet diverse needs