Features:1. Lightweight design allows you to enjoy freedom of movement and complete various tasks easily2. USB charging, 80 percent charge in 30 minutes, full charge in 60 minutes, with automatic stop function3. Reinforced copper motor provides stable and consistent power for precision work without shaking or jumping4. High concentricity ensures stable clamping and accurate and detailed engraving without slipping5. Equipped with noise reduction material and low-noise motor, it runs quietly and without interference.6. Equipped with multi-functional accessories to meet various creative and craft needsSpecificationProduct Name: Bestically Engraving PenMaterial: Plastic, Stainless SteelPower: 2 AA Batteries (Not Included)Suitable for: Metal, Plastic, Glass, Wood, LeatherLength: 4.7 inDiameter: 0.6 inFitting: 2.35mmSpeed: 5000-10000-15000rpmPower: 10WVoltage: 4.2 VPackage Includes: 1pcsxBestically Engraving Pen