This electric engraving pen is equipped with a USB-C charging port, allowing an 80% charge in 30 minutes and a full charge in 60 minutes. Once fully , it provides up to 1 hour of wireless use. The fast-charging technology ensures you don't waste time. This engraving machine offers three speed settings (5,000-18,000 RPM), each tailored for different materials. Designed with ergonomic principles in mind, it provides precise control whether you're engraving fine details or making quick adjustments, helping you achieve professional-quality results This electric engraving pen is equipped with an overload protection chip that automatically shuts off when resistance becomes too high, preventing damage to the tool and extending the lifespan of the engraving machine. Additionally, this wireless rotary engraving tool operates with minimal noise, ensuring that you 't disturb others This engraving pen is not just an engraving tool, but also supports various functions, such as personalized customization and decorative engraving. It is compatible with materials like wood, metal, glass, ceramic, plastic, and leather, fulfilling all your expression needs This electric engraving pen is easy to use, making it suitable for both beginners and experienced engraving enthusiasts. You can create , personalized gifts for family and friends to express your wishes, making it the perfect choice for birthdays, holidays, and anniversaries Color: Silver Material: Metal Package Contents: 1*set resparked engraving pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.