Item Name: flashing USB fan Item No:SYT8102# Product Size:21.7X14X3 CM total lenth:42 CM Packing:insert card/60 PCS per inner/120 PCS per outer Meas: 63.5X22.5X39 CM G.W./N.W.:12/10 KGS Function:cut the USB conection-peg in the computer,press the button,the fan working with the flashing lights,it can change dozens of pattern.