2 Speed Adjustable: mini fan have 2 speed adjustable, you can simply press the power button to change the wind setting, press once for the first speed, twice for the second speed,the wind is powerful enough to cool you down quickly, noise low to 50 db that causes no bother during workSmall Size & Design:The size of this personal portable fan is 5.7*1.6 inch, and it weighs around 5 oz. cute cylindrical design and colorful colors have attracted the love of countless young people, It’s small and lightweight, and not clunky, handy enough to carry everywhereRechargeable Battery: Personal fan is powered by rechargeable battery(1800mAh), handheld fan only needs 2-3 hours to get fully charged,that can be used for 9-16 hours,it comes with a charging cable, you can charge it from a regular outlet, computer, or any other device via a USB portMultifunctional and 180° Rotating Design: After use, it can be rotated 180° to hide the small fan, making it a small capacity power bank,It’s very convenient for travel, camping,Its small size and multifunctional design make it an ideal summer giftHand Held Fan & Small Desk Fan: The mini fan is not only a portable hand-held fan, it can be used as a small desktop fan when it is put in the base (included),perfect for use outdoors, travel, indoors, offices and more