LED Light Helps Detail Work - Mini cordless rotary tool with blind spot lighting LED design, reducing backlight shadows, overcoming the adverse effects of dark areas on detail work, making your work more exquisite 5 Variable Speeds - Rotary tool has 5-speed adjustment (5000/8000/11000/14000/18000RPM), even beginners can easily control the speed to meet your needs for fine DIY work such as carving, sanding, grinding, polishing or cleaning Type C Fast Charging - The rotary tool kit is equipped with a 3.7V lithium battery and a Type-C charging cable, which can be used with a variety of charging plugs, so you don't have to worry about losing it and being unable to charge Easy to Hold, Easy to Operate - The mini rotary tool is 18cm long and weighs 140g, anyone can hold it like a pen for detail work. The lightweight body allows you to create art without arm fatigue or soreness, , the "+" key allows you to easily increase the speed, and the "-" key allows you to easily reduce the speed