Gravity sensor, automatically changes direction in case of obstacle, smart to use.
Working time: 90 minutes; It can continue to operate for an hour and a half when fully charged and has a long life.
The large capacity dust container is equipped with a filter, it can effectively intercept waste and prevent dust leakage.
The advanced engine significantly reduces the suction noise.
Charge method: USB; charge Power: 3W; Voltage: 3.7V; Size:25x25x6.5cm