The Xiaomi Mini Rotary Tool is a compact tool designed for DIY enthusiasts, ideal for wood carving, model polishing, jewelry drilling, and metal polishing. With a 20mm diameter and 310g weight, it provides a comfortable, pen-like grip for precise work. It offers dual power modes: cordless lithium battery for flexibility and plug-in use for extended runtime. The storage case neatly holds the tool and accessories, with a pop-up feature for easy access. A stepless speed adjustment knob and anti-slip surface enhance control, while the anti-roll design and twistable head enable safe, tool-free bit changes.