The overall shape is designed in the form of square chamfers to make the curved surface and skin more appropriate. The design of the waist of the product aims to bring the center of gravity of the entire equipment close to the hand, which can reduce the pressure on the wrist; the buckle is designed as a chute, which is convenient to hold by hand. It is also a labor-saving design. The screen is bulged to make it easier to clean; the back and sides of the instrument. Examine every detail of the product and highlight the convenience and affinity of the product.