Three speed adjustment, 2800/3100/3600 reciprocating polishing per minute, simulating real polishing. 8 different of polishing heads, easy to handle various polishing scenarios, fears of challenges, 12 different of pre cut sandpaper, ready for use at any time. Gear shifting provides different light effects display. Small andamp; body, easy and comfortable to hold in the hand, letting you perform detail intricate work smoothly and effortlessly Equipped with a USB charging feature, this sanding pen eliminates the hassle of constantly replacing batteries. Colour:Red Material:plastic Package Contents: 1 set x sanding Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.