Product Name: High-speed Waist Fan Material: ABS + Electronic Components + Silicone Product Size: 9.35*9*7.2cm / 3.68*3.54*2.83 inches Packaging Size: 9.65*9.3*7.5cm / 3.8*3.66*2.95 inches Input Voltage: 5V Input Current: 2A Rated Power: 5W Output Current: 5V - 1A Plug Interface: TYPE-C Battery Capacity: 5000 milliampere Usage Time: 4 - 15 hours Strong wind power, instant cooling: Equipped with an ultra-high-speed motor, with 100 adjustable gears, the speed can reach 14.5m/s. It blows over the entire body, quickly removing the heat and allowing the coolness to arrive instantly. Innovative cooling, efficient heat dissipation: Using ice-sensing fan blades combined with permanent magnet brushless motor for cooling, the cooling technology is advanced, significantly improving the cooling effect, achieving full-body cooling, and the perceived temperature drops by 16%, making it an efficient cooling device for the scorching summer. Super long battery life, worry-free travel: With a large-capacity battery, the battery life is excellent, meeting the long-term usage needs of outdoor workers. Even when going out early and returning late, you can still enjoy the coolness continuously without frequent charging. Portable design, flexible wearing: Lightweight design, can be hung on the waist, neck or held in hand. It is comfortable to walk with it without any burden, suitable for various outdoor scenarios, and can bring you coolness anytime and anywhere. Smart silent, excellent quality: Built-in AI core for precise temperature control, ensuring that even when blown for a long time at low temperatures, it will not become hot; magnetic suspension noise-reducing motor combined with unique noise-reduction technology can run quietly even at high speeds, combining military-grade quality with intelligent experience.