This product is a Robot Vacuum cleaner , easy to operate .it suit for cleaning the bedroom Features ... with only 70 decibel ,far below that of ordinary vacuum cleaners.4.With noice-free dust box and strong absorbing ... thin machine, it can easily clean each corner of the room , under tables,furniture and sofas.6.Flexible bumper is ... tyer, which will not damage floor destroy carpet . Robot Vacuum cleaner