Features: 1. Large cleaning area: This robot vacuum cleaner can clean a large area of 120-150 square meters. 2. Anti-collision system: It has intelligent anti-collision and front soft bumper protection furniture. 3. Multiple cleaning modes: Automatic cleaning, spot cleaning, edge cleaning, and maximum cleaning mode function make cleaning so simple. 4. Easy to cross furniture, bed bottom, clean and more comfortable. 5. Applicable floor: flat floor such as marble, ceramic tile, wood floor, etc. Specification: Material: ABS shell Size: diameter*height--27.8×6.8cm Body battery: 3.7V 2000MAH Working time: about 60 minutes Charging time: USB charging, about 150 minutes Cleaning area: 150m2 Working voltage: 3.7V Dust box: about 400ML Color: white, black Operation Mode: 1. Switch mode: Press the host switch , and the sweeper enters the working mode working lamp to light up . Press the host switch again and turn off the sweeper. 2. Charging mode: Connect the Micro- USB head of the USB cable to the charging port of the sweeper and connect the USB head to the converter for charging . 3. Charge Status: The charging indicator light is on. indicating that the charging is being charged and the OFF indicates that the charging is complete and the general charging time is about 4 hours Function: One-button start, sweeping, mopping, vacuum cleaner, USB charging, universal driving, automatic avoidance obstacles, anti-drop, low noise, intimate, low repetition, high coverage Cleaning of the Dust Box: 1. The dust box is located at the bottom of the machine, pull the plug to turn outward. 2. Open the dust box, clean up the dirt inside, wipe out residuals using a dried damp cloth. 3. Place the dust box back into the machine. Package List: 1 x Vacuum Cleaner 1 x Cleaning Cloth 1 x USB Cable 2 x Brush