Come and see our amazing products. The portable fan includes a lightning and micro USB, it measures 3 1/2" x 13/16" x 1 9/16". RPM:16000. Simply add your company's name, logo and advertising message before handing it out at tradeshows, expos, conventions and any other promotional opportunities. Recipients are sure to see your brand as refreshing and cool. Pls confirm with us about the packing info, stock color and exact production time before placing your order