Features: brand new and high quality 1.HIGH EFFICIENCY. This USB automatic vacuum with detachable dust box, lengthen brush, mopping cloth. Better sweeping for path design, shorten cleaning for time and improve efficiency. for Ideal for cleaning all kinds of hard floors/flat floors. 2.SUPPER THIN BODY. Thickness only 2.36inches, low-profile body allows the Robot Vacuum Cleaner reaches every corner and narrow space with ease. Easily clean about 90-120 room. 3.for SMART CHIPS&LOW NOISE. Built-in for smart chips, automatic obstacle avoidance. 360 Degree automatic sweeping, mopping, vacuuming, no dead ends. All-in-one, for ideal for large room, meets all your cleaning needs. 4.USB RECHARGEABLE. Built-in rechargeable lithium-ion battery, cleaning performance for up to 80 mins. 1.5 hours quickly recharged. Quietly and silently thorough cleaning, easy to clean even when working, sleeping. 5.WIDE APPLICATION. Perfect working performance. Suitable for all flat floors such as marble, hardwood floor, ceramic tile, wood floor, etc. It can deeply and completely clean dust, hair, biscuit crumbs, cereals, bacterial, etc. Specifications: Material: ABS+ Electronic Components Cleaning Method: Sweeping; Vaccum; Mopping Charging Time: Approx. 1-2 hours Working Time: Approx. 80 Minutes Cleaning Area: Approx. 120-150 Rated Voltage: 3.7V Rated Power: 3W Noise Level: 55 db Dry/Wet: Yes Color: White; Black Size: Approx. 23.5x6cm/9.25x2.36in Weight: Approx. 700g Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Set Robot Vacuum Cleaner