1. 580000 RPM turbofan, brushless motor, powerful. 2. Strong dust removal, handling a series of debris such as accumulated dust, sand, hair, etc. 3. Built in 21700 lithium battery, with long battery life and up to 2 hours of low-frequency use. 4. Infinite speed regulation, easy to operate with one hand, two in one switch speed regulation, increasing air volume from small to large, better protecting the motor. 5. [High-Speed Airflow]This versatile cleaning tool is perfect for home, car, and office use. The jet fans optimal airflow and performance. Its portable design allows you to take it anywhere, whether you're on a camping trip or cleaning. [Brushless Lithium Hair Dryer] Crafted with high-hardness, high-temperature materials, this blower provides exceptional power for quick drying, making it perfect for various needs. Its built-in large-sized fan blades are precisely machined for wear resistance and durability. [Cordless Mini Air Blower] Compact and , this cordless handheld fan is designed for portability. It's a versatile tool suitable for tight spaces, including blowing away carbon residue, industrial dust, , cleaning keyboards, cars, motorcycles, consoles, crevices, foot mats, and even picnic garbage. Specification: Battery capacity: 10000mAh Built in two 21700 batteries Wind speed: 70m/s Working voltage: 7.4V Charging time: 3-4 hours Wind speed gear: infinite speed regulation Electric tuning: 30mAh Color:Black Material:ABS Package Contents: 1 set * Violent turbo fan 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.