About this item 5000mAh 11H Long Working Time: This desk fan equipped with 5000 mAh battery can work for 11 hours. Fully charges in 4 hours, and the Real-Time display of wind speed and compatible with all Type-C standard charging cable, it can both work with or recharge by output adapter, laptop, computer, power bank and car. (Note: When charging, it will display the power on LED Screen) 4 Adjustable Speed& Whisper Quiet Fan This portable fan has 4 levels of intensity, Natural wind/sleep wind/Neutral wind/strong wind four wind speeds. Engineered with noise reduction motor designed to make sure it doesn't interrupt your work and rest. The noise is less than 25dB even at high speed. 180Rotatable Fan The rechargeable fan portable fan not only can rotate 180but also can tilt its head up and down 45which is great for when its on a desk. Allows you to feel the cool breeze throughout your work area, no restrictions. Easy Clean & Space-SavingThis battery powered fan can easily remove the front cover to clean the fan blades, Small size but strong wind, 6.69*4.17*8.89the base is equipped with anti-slip silicon, very portable to take out and stand to put on a desk, bed or kitchen counter. Women's Lifesaver That for a woman who regularly has hot flushes due to menopause this fan is absolutely wonderful. Got for eyelash application and skin care, makeup.