1、2 gear speed adjustments, H high gear 4500 rpm, L low gear 3000 rpm, can be switched freely according to demand. 2、Equipped with high-quality silicone pads, environmentally friendly and durable, detachable and can be cleaned, you can also put your hands on the silicone pads when doing nail art work, which can relieve hand fatigue. 3、30W high-power fan, strong suction, no dust falling, side slot designs, easy to carry the machine, easy to install and remove the partition and filter. 4、Precise filter, detachable filter screen, reusable, easy to clean, you can use a soft cleaning brush to clean the surface, or you can use a blower to blow the back of the filter, it can keep the nail art worktable clean and tidy. 5、The filter screen can block large dust particles and protect the filter. There is a circular exhaust port at the bottom, good heat dissipation effect, long service life. 6、Adopts quality ABS material, stable and durable, suitable for home use and nail salon.