Feature:1. Switch mode: Press the host switch the sweeper enters the working mode and working lamp lights up. Press the host switch again to turn off the sweeper. 2. Charging mode: Connect the charging head of the USB cable to the charging port of the sweeper and connect the USB head to the converter for charging. 3. Charging status: The charging indicator light is ON indicating that charging is in progress and OFF indicates that the charging is completed. The general charging time is about 2-3 hours. 4. Ideal for flat floor like marble tile wood floor etc. Material: ABS Battery: 3.7V 1200mAh Working Time: About 70 minutes Charging Time: About 2~3 hours Cleaning Area: 150O Working voltage: 3.7V Rated power: 3W Dust Box: About 150ml Working Noise: 40db Suction: 1200PA Service Life: 2 years Net Weight: 580g/20.46oz Size(D*H): 258x68mm/10.16x2.68 Functions: One-button start sweeping mopping vacuum cleaner USB charging universal driving automatic avoidance obstacles anti-drop low noise strong suction low repetition high coverage.