USB rechargeable mini engraving pen, engraving tool kit

[USB Wireless Engraving Pen] Equipped with motor and lithium battery, USB interface charging, the power is 25W. A full charge lasts up to 30 minutes.[3-speed visual adjustment] 3-speed adjustable speed 5000-25000 rpm.[Various accessories] Includes 30 diamond drill bits (2.35 mm), 2 drill bits (1 mm, 1.5mm), 3 saw blades (22mm, 25mm, 32mm) and 1 chuck handle[Various uses] This multifunctional engraving pen kit can be used as a pen miniature engraving pen, can engrave a variety of materials, it is also used for polishing manicure and pedicure, removing gel and cuticle.[Best Gift] This portable and compact engraving pen is easy to carry, allowing you to enjoy a relaxed time, easy to use and suitable for beginners' jewelry making time.