1. Voltage: DC 3.6V 2. Battery Type: 280mAh Lithium Battery (Type-C charging interface) 3. Diameter: 2.35mm 4. Speed: 37000 RPM 5. Applications: Suitable for grinding various IC chips, cutting motherboards, disassembling brackets, etc. 6. Gear memory function, ready to use upon startup, high-speed motor, smooth operation 7. Ergonomic design, robust steel body, weighted design, lightweight and portable, comfortable grip 8. Equipped with 9 grinding heads, adaptable to different scenarios, suitable for grinding various IC chips, cutting motherboards and brackets, disassembling screws, etc. 9. Easy insertion and removal of grinding heads, suitable for grinding heads with a handle diameter of 2.35mm 10. Strong magnetic protection, automatically cuts off power to protect the motor when it encounters excessive resistance.