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 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. 300000 RPM turbofan, brushless motor, powerful. 2. Strong dust removal, handling a series of debris such as accumulated dust, sand, hair, etc. [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.