A truly innovative model from Xiaomi! At a price significantly lower than analogues. The quality of cleaning can be called perfect. Definitely the most sincere recommendations for buyers. Pros below: Xiaomi Roidmi NEX X20. Good design, excellent cleaning quality. good maneuverability. Convenient LED - backlight: it is more convenient to clean with it than with natural light, you can see every mote. Has some cons: Lack of charging display: it is not visible how much percent of the charge is left. Inconvenient location of the mode switching buttons: accidentally, when working with your hand, the mode switching is turned on.