Name: Brushless Turbo fan Outdoor camping Mini portable handheld wind Color: White, grey Product size:12.8*7.2cm/5.1*2.8in Fan speed: 100,000 RPM Power Supply : 5V 2A Height material :ABS Battery :14650/11.1V/1100 mah *3 Charging time :2.5H Power :42W Key 1: Switch 1 / low wind speed use time of about 90 minutes 2 / medium wind speed operation time is about 45 minutes 3rd gear/high wind speed use time of about 25 minutes Button 2: Long press to continue high wind speed work, release to close. Features: 1. High-speed wind: The brushless turbine fan design provides strong wind, which can quickly cool down, effectively help reduce body temperature, and provide a cool and comfortable experience. 2. Portable design: This handheld fan is small and lightweight, easy to carry, can be used anytime and anywhere, suitable for outdoor camping, travel, sports and other occasions. 3. Multi-speed wind speed: The fan usually has multi-speed wind speed adjustment, which can adjust the wind size according to needs to meet different occasions and personal needs. 4.USB charging: Most handheld fans use USB charging mode, which can be charged by charging bank, computer or socket, which is convenient and fast. 5. Silent design: The use of silent technology design, low noise during work, will not interfere with the surrounding environment, suitable for office, library and other places that need a quiet environment. 6. Multi-functional use: In addition to outdoor camping, this handheld fan is also suitable for indoor use, such as offices, bedrooms, kitchens, etc., to provide a cool and comfortable experience.