JisuLife FA55 Handheld Portable Small Fan Mini Rechargeable Electric Fan 1. Battery capacity: 9000mAh 2. Charging time: about 2.5h (support PD, QC fast charging protocol) 3. Use time: about 1.5-6.5h 4. RPM: about 75000 5. Material: aluminum alloy 6. Packing list: fan x 1, nozzle x 2, data cable x 2, lanyard x 1, base x 1, manual x 1 7. Weight: about 315g Features: 1. LED digital display, wind power at any time to see the amount of power 2. All aluminum alloy material, feel cool and comfortable, body lines warm and soft, small and compact, good grip 3. Aviation-grade aluminum alloy fan blade, with high-precision CNC cutting process 4. Highly integrated design, making the whole size smaller than a cell phone, easy to carry anywhere at any time 5. Built-in AI protection chip every second to protect, over-voltage over-current blocking short circuit battery protection 6. Aviation turbine-type noise reduction air duct, triple noise reduction technology 7. Air Tubro 2.0 pressurized air guide system, reduce the internal noise of trapped air 8. Honeycomb noise reduction air gathering compartment, reduce the interference of air gathering 9. Hidden fan blades, dense grille, safe and reliable 10. Three modes of ambient lighting 11. 100 gears of infinitely adjustable wind power