Features: High-Speed Performance: Reach up to 990,000 RPM for the airflow experience. Enjoy powerful cooling on the go with our mini turbo jet fan. This compact turbo fan boasts a sleek design and robust construction, delivering exceptional performance with a peak wind speed surpassing 60m/s. Equipped with large, precision-machined blades crafted using advanced CNC technology, this turbo fan operates quietly while generating powerful airflow. Its compact size and portability make this pocket dust blower ideal for use on the go. The mini turbojet fan is powered by two built-in 21700 batteries, offering impressive endurance with a usage time of up to 4 hours. It's the perfect companion for car drying, cleaning, camping, and other outdoor activities. Come with safety hammer head, you can break the window when in emergency. Specifications: Material: PC, aluminum alloy Rated output: 15W Voltage: 6-8.4V Capacity: 8000mAh Maximum power: 120W Rated speed: 990000RPM Usage time: 10min-4h