... Power by USB,energy save dual use USB fan and light 1.All-in-one solution:USB fan&USB ... light 2.Plug and play: no external power supply needed,no drivers or ... from the USB port 4.Compatible with PCs, notebooks,and PDAs 5.Gently adjust the flexible neck of USB ... wind anyway you wish. 6.Fan with low noise and heat operation,safe and soft nylon fan blades,provides cool air while ...