Features Adjustable Speed Levels: The electric micro engraver pen offers three speed levels, allowing you to easily adjust the revolutions per minute (RPM) between 5000, 10000, and 18000, providing control for various materials. Versatile Application: This mini DIY vibro engraving tool kit is suitable for metal, glass, nails, plastic, wood, leather, and more, offering a wide range of applications for your engraving projects. Comfortable and : With a pen-like design, the electric micro engraver pen allows for comfortable and engraving, enabling you to perform intricate tasks without exerting excessive pressure on your wrist or hand. and Lightweight: Crafted from aluminum alloy, this micro engraver pen combines lightweight construction with robust strength and impairment resistance, ensuring long-lasting performance for your engraving needs. Easy Control and : The wireless charging engraver pen allows for easy control and , making it convenient for both beginners and experienced users to achieve professional results. Features: 1、The speed range of the electric miniature engraving pen is 5000？10000？18000 three levels (revolutions per minute) 2、Can easily control the engraving/drawing way. Generally, the speed of metal and wood is lower, and the speed of glass and ceramics is faster 3、You can hold easily and comfortably, just like a pen, you can perform complex tasks without excessive pressure on your wrist or hand 4、This DIY vibration carving tool set is suitable for metal, glass, nails, plastic, wood, leather, etc. 5、Aluminum alloy material with light weight, good strength and impairment resistance Specification: Item Type: Electric Micro Engraver Pen Material: Aluminum alloy Adapt to Grinding Head Shank Diameter: Approx. m / 0.1in Chuck Depth: Approx. 25mm / 1in Speed: 5000-10000-18000 three levels Power: 10W Battery Voltage: 4.2V Battery Capacity: 300mAh Battery Type: Lithium battery Use Time: Three levels no-load for more than 1 hour, if you need to use for a long time, you can use it while charging. Charging: 80% can be charged in 30 minutes, fully charged in 60 minutes. Charging Port: TYPE-C is the same as the charging port for Android smartphones. Package List: 1 x Main Body 10 x Matte Sheet 36 x Grinding Needle 5 x Sponge 1 x Hex Wrench Package List 1 x Main Body 10 x Matte Sheet 36 x Grinding Needle 5 x Sponge 1 x Hex Wrench