Small Fan Usb Small Student Portable Electric Fan Mini Air Conditioning Product Description: the Fan Has Three Levels Of Wind, Which Can Be Adjusted Up And Down. You Can Set The Mode Through The Knob And Adjust The Wind Direction Through The Blinds To Meet Your Needs. the Cool Breeze Is Only For You. You Can Add Ice Water To The Internal Water Container, And Then The Fan Will Blow A Cool Breeze To Moisturize The Air, While Reducing The Temperature Inside The Door And Reducing Fatigue. the Cute Penguin Shape Attracts This Air Cooler Even More built-in 2000mah Rechargeable Battery With Usb Charging Port, Which Can Be Charged By Computer, Mobile Power And Car. No Need To Worry About Running Out Of Battery. the Cooling Fan Produces Very Little Noise During Work, Which Can Provide You With A Quiet And Comfortable Rest Or Work Environment.the Water-cooling Fan Is Small In Size, Easy To Place On The Table And Bedside, And Has A Small Space, Suitable For Use In Bedrooms, Offices And Cars.specification: water Tank Capacity: 180ml Input Voltage/current: 5v1.5v usage Time: 1. Turn On The Fan Alone For 3-8 Hours, 2. The Sprayer And Fan Are Turned On At The Same Time For About 1.5-4 Hours products Include: 1 Electric Fan Attention:1. Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding.2. Colors may vary depending on the monitor, please understand. Attention:Hello, please pay attention to your shipping address when purchasing products. If your shipping information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly