Features:Application: It is perfect for use in the office, home, dormitory, library, etc.4 adjustable speed: This USB fan has 4 adjustable wind speed, so you can choose the ideal one for your needs.USB rechargeable: This is a USB desk fan, compatible with all USB ports such as computer, car charger, power banks.High quality: It is made by high-quality material, which could be used for a very long time.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.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Material: ABS, PP, acrylic.Size: 17 x 15 x 30.1 cm.Power parameters: 5W.Battery capacity: 2000mAH.Working voltage/current: 5V/2000mA.