... Size:15x10x15.5cm,easy to place MOQ:400PCS. 4 inch latest cooling fan(USB port fan)Power source plug: USBMaterial: MetalMeas(with box ... current, power just 2.1W, energy saving. 4.Fan's life can be 25000~30000 hours, can ... ,weight(with box):390g,easy to carry. 8.Fan occupies small room, stable structure, easy to place ... ,white,red(Other colors require MOQ400PCS). 4 inch latest cooling fan(USB port fan)