1.HIGH EFFICIENCY. This USB automatic vacuum with detachable dust box, double-sided 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 inches, low-profile body allows the Robot Vacuum Cleaner reaches every corner and narrow space with ease. Intelligent induction, anti-fall, anti-collision. Easily clean about 90-120㎡ room. 3.for CHIPS&LOW NOISE. Built-in for Smart chips, automatic obstacle avoidance, cleaning/vacuuming without niose. Rotary rubbing mode, 360 degree rotatable mopping, automatic sweeping, mopping, vacuuming, no dead ends. In addition, This auto vacuum cleaner with UV lights at the bottom, deeply and completely . All-in-one, for IDEAL for baby room, large room, meets all your cleaning needs. 4.USB RECHARGEABLE. Built-in rechargeable 1200mAh lithium-ion , cleaning performance for up to 80 mins. 2 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, floor, etc. It can deeply and completely clean dust, hair, biscuit crumbs, cereals, , etc. Specifications: Material: ABS+ Electronic Components Type-A: Robotic Vacuum Type-B: 3-in-1 Vacuum Cleaner Cleaning Method: Sweeping; Vaccum; Mopping; Charging : Approx. 1-2 hours Working : Approx. 80 Minutes Cleaning Area: Approx. 90-120㎡ Rated Voltage: 3.7V Rated Power: 3W Noise Level:≤ 60 db Dry/Wet: Yes Color: White; Size: Approx. 23.5x6cm/10.24x2.36in Weight: Approx. 750g Note: Due to manual measurement and light reasons, 1-3cm error and small color difference are allowed, please refer to the actual object .