1. High-Quality Bearings and Blades: This product features top-of-the-line high-speed bearings and 13 stainless steel blades, all CNC-machined. They generate pressure and speed of over 52 meters per second, ensuring powerful airflow. 2. Long-lasting Battery Life: Equipped with two 21700 type high-capacity batteries (each with a capacity of 4000mAh), this product offers a and long-lasting battery life. The battery level is visible at all times, allowing for easy monitoring. 3. Convenient Charging: With a TYPE-C charging interface, this product supports 15W PD/QC fast charging, ensuring efficient and quick charging times. 4. Infinite Speed Control: This product supports seamless speed adjustment, allowing users to choose the desired wind intensity according to their preferences. 5. Powerful Brushless Motor: The built-in brushless motor is robust and can reach a maximum speed of 140,000 RPM. It guarantees efficient and effective airflow. Additionally, the product is equipped with a 30A current regulator for stability and control. Type:Turbo Blower Power Source:Battery Motor type:Brushless Battery capacity:2x4000mah power battery Application scenarios:Industrial dust blowing, computer keyboard cleaning, outdoor camping carpet cleaning, car/motorcycle cleaning, etc Colour:A:Gray Material:ABS Size:about 170.00x130.00x35.00mm/6.69x5.12x1.38inch Package Contents: 1 * turbojet fan 1 * data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.