1.Unique design of motion, hundreds of ways to change, can stretch out and draw back 2.Super thin transparent illuminant fans, heavy winds, effective in cooling(two fans) 3.Used for laptops of various size, blue led flashing while working 49.1*38.5*26.0cm 100 pcs/ctn N.Wú¦10.5kg G.Wú¦11.5kg