General description This CCYKXA Electric Engraving Pen is a multifunctional, mini cordless tool designed for engraving and polishing various materials including jade, metal, leather, wood, jewelry, glass, ceramics, and stone. Weighing only 40g, it features a comfortable pen-like design and is made from high-quality stainless steel and brass, ensuring durability and a sleek appearance. Technical specifications Adjustable speeds: 5000 RPM, 10000 RPM, 18000 RPM Battery life: Up to 60 minutes on a full charge Weight: 40g Compatibility and accessories Includes: 1 engraving pen, 20 rotary bits, 16 stencils, 3 saw blades (22mm, 25mm, 32mm), 1 shank, and 1 Type-C charging cable Suitable for carving, grinding, engraving, milling, sanding, drilling, and cutting Installation Rechargeable via USB interface Usage Adjust the speed according to the material: low speed for metal/wood, high speed for glass/ceramic Easy to use, similar to writing with a pen, making it beginner-friendly Other