Features: 1.HIGH EFFICIENCY. This USB automatic vacuum can connected with smartphone, automatic remote control. Better sweeping for path design, shorten cleaning for time and improve efficiency. for Ideal for cleaning all kinds of hard floors, various flat floors. 2.SUPPER THIN BODY. Thickness only 2.76inches, low-profile body allows the Robot Vacuum Cleaner reaches every corner and narrow space with ease. Easily clean about 120-150㎡ room. 3.for SMART VOICE CHIP. Built-in for smart voice chip, automatic voice prompts. With cleaning timer, when finish auto -shut-off. 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 90 mins. Quietly and silently thorough cleaning, easy to clean even when working, sleeping. 5.WIDE APPLICATION. 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 Dry/Wet: Yes Battery: Built-in Lithium Battery Rated Voltage: 220V Rated Power: 3W Charging Time: Approx. 3-5 hours Working Time: Approx. 90 Minutes Cleaning Area: Approx. 150㎡ Color: Black+Gold; Black+Silver Size: Approx. 34x7cm/13.39x2.76in Weight: Approx. 950g 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