MULTI-PURPOSE ENGRAVING PEN: Smoothly engrave on metal, glass, wood, plastic, ceramics, leather, and more! Whether for DIY crafts, model making, custom jewelry, personalized gifts, home decor, or professional art projects, it handles it all with ease. From engraving necklaces to customizing wooden plaques, this engraving pen delivers precise results every time. 3 SPEED ADJUSTMENT: With three adjustable speed settings (5000RPM-10000RPM-15000~18000RPM), this electric engraving pen can meet all your needs, whether you are working on fine engraving or grinding projects. It is very quiet and is the ideal companion for DIY enthusiasts and professionals!. MULTIFUNCTIONAL ROTARY TOOL KIT: The Jangklife Mini Rotary Tool Kit includes 30 high-quality engraving bits and various rotary tool accessories, along with a storage pouch. Suitable for carving, polishing, sanding, etching, drilling, and more. Works with materials including wood, metal, plastic, glass, jewelry, and crafts. Note: Not suitable for cutting hard objects or large-scale projects. CORDLESS DESIGN/LIGHTWEIGHT AND PORTABLE: This engraving pen is suitable for all materials and is very small in size. Compared to the large tools commonly found on the market, it is more suitable for working in narrow spaces. It is lightweight and easy to use, requiring no power cord or outlet, making it ideal for projects on the go and home use. It is simple to operate, so even beginners can easily get started. Once fully charged, you can put it in your pocket and take it out anytime to start creating. LONG LASTING / LONG LIFE: The mini rotary tool is powered by a high performance motor that reduces wear and tear, and can work continuously for up to an hour on a full charge without recharging. Built-in overload protection chip, the high performance motor automatically shuts down when the resistance is too high, preventing damage and prolonging service life.