1. Powerful motor and universal 3-jaw chuck The 3.6V cordless rotary tool delivers sufficient power, making it ideal for demanding tasks. The compact and lightweight design ensures comfortable handling. The universal collet system with a 3-jaw chuck accommodates most rotary tool accessories available on the market. 2. Secure grip and ventilation system The 360-degree grip zone provides a comfortable and secure hold while working on DIY projects. Ventilation openings prevent heat buildup in the motor, allowing extended operation. A push-button lock mechanism near the tip simplifies accessory changes. 3. 3 speed settings The tool operates at 3 variable speeds ranging from 5,000 to 15,000 RPM. Convenient speed controls allow you to select the optimal setting for your task. Higher speeds (15,000 RPM) are best suited for high-power applications such as grinding, milling, cutting, and engraving. Lower speeds (5,000 RPM) are ideal for softer materials and can be used for polishing and buffing. 4. Fast USB charging This electric rotary tool features a high-performance lithium-ion battery with a longer lifespan compared to alkaline alternatives. When the battery runs low, simply recharge it using the included 180-minute rapid charger. 5. Applications and tips Over 40 accessories are included with this versatile tool, enabling use for household engraving, egg carving, jade carving, and more.