... usb fan ,led message usb fan ,usb fan light ,usb personal fans, usb mini desk fan , speed control usb fan , usb message fan ,fan usb,bladeless fan usb ,notebook usb ... , new DC brushless motor, strong wind, super quiet. 2.5V USB(cable length:1.2m) power supply,plug and play,plastic shell ... .73*96.3*146.5mm,weight: 144g ,easy to carry. 8.Fan occupies small room, stable structure, easy to place. 9 ...