... price&capacity super thin cooling fan,electric cooling fans for boys and girlsPower source plug: USBMaterial: MetalMeas(with box ... be used in any occasion. 10.Sofe wind, cool and refreshing, comfortable. 11.USB plug and play, ... no external power needed,USB power adapter required for the 5V .. 1000MA 12.Personalized different colors. ... super thin cooling fan,electric cooling fans for boys and girls