Features: USB rechargeable: This is a USB desk fan, compatible with all USB ports such as computer, car charger, power banks. 4 adjustable speed: This USB fan has 4 adjustable wind speed, so you can choose the ideal one for your needs. Quiet design: The small portable fan is very quiet at its lowest setting, while it moves a surprisingly high volume of airs. This little guy should help you make the nights a little cooler for sleeping. Application: It is perfect for use in the office, home, dormitory, library, etc. Outdoor camping partners: Built-in hook to hangs it in tents, branches or in your car. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Material: ABS, PP. Size: 18.7 x 7 x 18.2 cm. Battery: 2000mAh (basic-type)/ 4000mAh (remote controll type). Rated voltage/ current: 5V/ 2000mAh. Power: 10W. Package List: 1 x fan