Sweeping Robot Lazy Household Cleaning Machine USB Automatic Vacuum Cleaner Small Appliances Features: Double bristle brush at the front,automatic control,no missed cleaning of the entire house and corner . Wet and dry mopping,wet mopping upgrade,effective decontamination,suction and sweeping first,and then mopping the floor,allowing you to bid farewell to dual tasks without the need for hands-on work. Sweeping can help you solve various household waste such as hair,,and debris in your daily life. Low noise,each performing their own duties,ensuring that the working noise of the machine is controlled between 52dB and 69dB in standard mode without interfering with the owner's reading or listening to music. Small size and large effect,liberating hands,comfortable enjoyment of life,effectively improving cleaning efficiency,and higher coverage. Product Description: Material:ABS Power mode: USB Sweeper function: sweeping suction type Suction : Planning Technology: Random Navigation Applicable area: 70-90 meters Working : 55db Working voltage: 3.7V Charging time: 150min Product size： 230x230x80mm Working time: 60 minutes Package include: Sweeping robot X1 Note: Please allow slight error due to the manual measurement. Thanks for your understanding. Monitors are not calibrated same,item color displayed in photos may be showing slightly different from the real . Please take the real one as standard.