SUNOAD "HONK"USB clock fan,3pcs EVA fan blades,5adjustable speed levels, time/calendar/temperature display Description:USB clock fan *Support any USB ports of PCs¬ebooks *Plug&play,ON/OFF switch, *temperature display function. *3pcs EVA fan blades, *Powered by any USB ports *Speed can changeable by controling the switch *Supply strong wind, low noize with soft EVA leaves *5 adjustable speed levels *With pvc tube or flexible mental-neck *Color available:white