300000 RPM turbofan, brushless motor, powerful. 2. Strong dust removal, handling a series of debris such as accumulated dust, sand, hair, etc. Built in 21700 lithium battery, with long battery life and up to 2 hours of low-frequency use. 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. [High-Speed Airflow]This versatile cleaning tool is perfect for home, car, and office use. The jet fans guarantee 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 resistant materials, this blower provides exceptional power for quick surface 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 lightweight, this cordless handheld fan is designed for portability. It's a versatile tool suitable for tight spaces, including blowing away carbon residue, industrial dust, soot, cleaning keyboards, cars, motorcycles, consoles, crevices, foot mats, and even picnic garbage. Voltage: 7.4 Specification: Battery capacity: 8000mAh Built in two 21700 batteries Wind speed: 55m/s Working voltage: 7.4V Charging time: 3-4 hours Wind speed gear: infinite speed regulation Electric tuning: 30mAh for tight spaces, including blowing away carbon residue, industrial dust, soot, cleaning keyboards, cars, motorcycles, consoles, crevices, foot mats, and even picnic garbage. Color: White Material: Plastic+Metal Package Contents: 1pcs * Turbo Fan. 1pcs * Vacuum kit.