Mini Reciprocating Sander Kit: Compact and powerful, this USB fast-charging electric sander includes 8 nylon sanding heads and 12 wear-resistant sandpapers to meet all DIY and precision sanding needs. Features 3 adjustable speeds (2800/3100/3600 RPM) for smooth, efficient operation. The ergonomic design ensures comfort and control for crafting, polishing, or detail work. Enjoy 20-minute fast charging with up to 100 minutes of runtime, plus intelligent overload protection for motor safety. Built-in 10 lighting effects add a modern touch while you work, making every project easy and enjoyable.