Superior Quality Cactus 80-Degree Rotation Design The Cactus personal fan combines home and nature aesthetics,give everyone a natural and comfortable feeling. USB desk fan has a great feature that is 80 wide angle automatic rotation to supply wind makes you super relaxed without feeling dizzy whatever you working ,sleeping or playing,etc. Strong 3 Speeds Wind & Energy-SavingDesk fan offers 3 speeds wind ,you can choose speeds what you need or like .Low energy wind supply, stable speed, smooth shifting, not only reduces noise caused by shaking, save energy and reduce power consumption.Small quiet operation make you to do everything more efficiently. Safety Long Battery LifeThe capacity of personal fan battery is 2400mAh (built-in 2pcs 1200mAh rechargeable lithium battery). One full charge can last about 14 hrs at low speed, about 3.5 hrs at high speed. Mini USB fan can be connected to a variety of devices such as PCs, notebooks, mobile power supplies, adapters, etc. Safe & PortableUsed high-quality ABS and Brushless copper motor. It has stable performance and long operating life. And It is small ( 3.9*3.9*6.9 inch) with exquisite package .Very convenient for your daily use and ideal summer gift to your family and friends Give You A Cool SummerSuper exquisite desktop fan adopts ECO-friendly plastic material, no smell and no harm. Mini size doesn't take up any space hardly, can be taken along easily especially suitable for summer travel, outdoor sports, camping,office,home,dormitory, library use etc. Please write amazon email to us for help if meeting any problem. We will respond within 24-hours and offer our Lifetime No Risk Technical Support.