Specifications: Product Name: Precision Mini Rotary Tool Pen SetRated Voltage: 3.7VCharging Port: Type-C (supports charging while in use)Motor Speed: 6-speed adjustable (5,000-16,000 RPM)Display Screen: LED Digital Display (Speed & Battery Level)Forward/Reverse Function: Supports free switching between forward and reverse rotationProtection Function: Built-in intelligent motor overload protectionBattery Life: Approximately 1-2 hours of continuous use (depending on speed and load)Charging Time: Approximately 1.5 hours (fast charging supported)Grinding Head Specification: Compatible with 3.2mm diameter bitsMain Unit Weight: Approximately 75g (lightweight and portable) Features: 1.Compact and Portable DesignWeighing only 75g, this rotary tool pen offers a lightweight and practical solution for DIY enthusiasts, making it easy to use anywhere without unnecessary bulk.2.Precise Speed ControlWith 6 adjustable motor speeds ranging from 5,000 to 16,000 RPM, this tool ensures precise operation tailored to various tasks, from delicate repairs to tougher grinding jobs.3.LED Digital DisplayThe integrated LED screen displays real-time speed levels and battery status for seamless operation, preventing interruptions during important repair tasks.4.Efficient Charging and Long Battery LifePowered via Type-C fast charging, this rotary tool pen supports up to 2 hours of continuous use on a single charge, making it ideal for extended projects.5.Multi-Functional OperationThe forward/reverse rotation feature enhances versatility, enabling smooth directional adjustments for tasks like sanding, polishing, or drilling. Package Included: 1 x Tool Case1 x Type-C Charging Cable1 x Rotary Tool Main Unit1 x Storage Box8 x Mini Grinding Wheels10 x Grinding Discs12 x Grinding Bits2 x Stainless Steel Saw Blades2 x Rotary Tool Collets1 x Open-End Wrench