Functions: Brand new and high quality. 2000mAh USB chageable desktop fan, 360 degree rotation, 3 gear wind speed. Large battery capacity, 2000mAh, for 1 gear wind, it can use for up to 36 hours. USB powered, compatible with computers, laptops, portable chargers and other devices with USB output. Adjustable wind speed, 3 wind modes, switch freely by the power button. Mute wind, low noise, won't influence study, work and sleep. 360 degree rotation, adjustable to meet different position use. Light weight, can be take for outdoor occasions. Perfect mini fan for the office, home, dorm, study, library, games room or outdoors. Feature: Materials: ABS Color: Blue Size: 143*158*67mm Power Way: USB Chargeable Charging Input: DC 5V/1A Battey Capacity: 2000mAh Power: 5W Wind Speed: 3 Gears Package Included: 1pc x Fan 1pc x USB Cable 1pc x Instruction Book Notes: Please allowed 1-3mm differences due to manual measurement, thank you! Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item Package included: 1Set x USB Fan Packing Safely in Retail Box.