Recessed power button design, do not need to worry about stopping the for operation by accidentally touching the switch USB charging, low noise work. 3 speed options, the body is made of alloy material, good heat dissipation, making your artwork DIY a It has an intelligent overload function, so there is no need to worry about motor damage. Small and portable, the whole machine weighs only 40g Multi-purpose precise control: can be used for engraving, sharpening, grinding, polishing or polishing, suitable for wood, plastic, ceramic tile, glass, stone, metal, etc Wireless engraving pen, mini nail polisher set, 5000 rpm 55000 rpm high power, all kinds of indicator lights are clear at a glance, Weight: 0.39242282636 pounds, Manufacturer: Zambuph