1.robot vacuum cleaner 2.good auto charge function 3.Low noise , 50DB 4.Sterilizing UV light 5. better wall-following Product name: robot vacuum cleanerDetailed Features:.Ultra thin body design, it can dig into the bottoms of the furniture inconvenient to clean, such as the sofa, bed, tea table, etc. so using this cleaning robot you can easily clean the bottoms of the furniture.Ultra low noise, ...