Intelligent Automatic Sweeping Robot Vacuum Cleaner $ 21.98 Product information: Power type: USB Color: white, dark blue, army green Rated Voltage: 3.7V Rated Power: 5.3 Operation mode: Mechanical Applicable area: 90-120 square meters Battery life: 61-120 minutes Rated frequency: 50 Capacity: about 150 Size: 25x25x6.5cm Packing list: Vacuum cleaner * 1 Product Image: