... 4.low noise 5.Flexible bumper for obstacle Robot Vacuum Cleaner,robot cleaner,vacuum cleaner item details Item Name: Robot Vacuum Cleaner Color : Blue,yellow ,Red merit : 1. ... of ordinary vacuum cleaners.4.With noise-free dust box and strong absorbing ability, it can easily clean all impurities ... floor.5.With super thin machine, it can easily clean each corner of the room , under tables,furniture and ...