Low Noise This kind of cordless rotation tool is very low when working, even if someone is sleeping, it will not feel noise. It is very suitable for beginners and professionals to use anytime and anywhere, creating a unique creativity he likes 3 Horizontal Visual Speed Settings This electric carving pen is suitable for all materials, about 5000-18000r/min, and carves different materials with different speeds. The weight of the carving pen is light, which is in line with the ergonomic design, which can provide you with precise control and carving. Intelligent Energy Protection A metal carving pen can be charged with USB Type-C charging, built-in overload protection chip, when the resistance is too high, it will automatically disconnect the protection and extend useful from the jewelry carving machine. The carving machine kit includes 30 sculpting drills, 3 drills, 1 connecting rod, 3 drill bits, 1 polishing drill, 16 templates and 1 USB charging cable. All these drills are enough for engraving, engraving, polishing, polishing, engraving, wiring, grinding, drilling, cutting., Manufacturer: Bumdenuu