USB Rechargeable & Battery-Free: The engraving pen for all materials features a convenient USB rechargeable design. Say goodbye to constantly replacing batteries. Simply plug the engraving pen into any USB port or power bank for quick charging. This ensures uninterrupted engraving work. Precision & Control: Engineered with precision, this engraving pen delivers exceptional control and pinpoint accuracy. It enables users to create intricate and detailed designs with ease. The ergonomic grip ensures comfort even during extended use. Comprehensive Engraving Kit: This engraving marker pen includes a variety of interchangeable engraving tips. Switch seamlessly between fine tips for delicate details and broader tips for larger areas—no additional tools required. Versatile Applications: Ideal for DIY enthusiasts, this engraving pen supports a wide range of uses—from customizing jewelry and personalizing everyday items to marking tools for identification and more. Cordless & Portable Creativity: With up to 2 hours of battery life and USB-C fast charging, this cordless engraving pen offers freedom to create anywhere. Its wireless design eliminates tangling and restrictions. Product Name: Engraving Pen Specifications: Model A3690 Engraving Pen + 53-piece tool set + D needle Color: As shown Material: Plastic + Metal Package Contents: 1 x Engraving Pen set Note: Light reflection and display differences may cause slight color variation between the image and the actual product.