WT-F60 Laptop Computer Hanging Screen Fan USB Rechargeable Desktop Vertical Fan 1. Four motor turbine blades, manual adjustment of wind direction 2. Quad-core powerful motor, air-conditioning long air outlet, uniform cutting wind is more delicate, and the cool wind covers the whole body 3. The brushless pure copper motor has no noise, and the leafless air duct does not cause headaches after blowing for a long time 4. Three gears of strong wind power to meet different needs 5. It can be hung or placed on the desktop, and the base is detachable, suitable for more usage scenarios 6. Upgrade the spring clip, suitable for a variety of screens 7. Elegant harmonica shape, exquisite electroplating process, overall simple and beautiful Parameter: 1. Material: ABS 2. Input voltage: DC 5V 3. Input current: 2A 4. Fan working power: 1.99W4.1W7.4W 5. Battery capacity: Built-in 4000mAh battery, 3.7V 6. Charging time: 3.5 hours 7. Use time: 7.1 hours in the first gear, 3.4 hours in the second gear, and 1.9 hours in the third gear 8. Motor speed: 2500rpm, 3200rpm, 3900rpm 9. Product size: 353 x 75.7 x 42.2mm 10. Net weight: 418 grams Packing list: host x 1, data cable x 1, manual x 1, base x 1