A short-range wireless communication apparatus and method establish a connection thereof by simply selecting a connection target through a camera and providing an identifiable image of a target. The interlabial pad comprises: an absorbent body absorbing liquids; and a cover body covering the absorbent body in an enclosing manner and comprising a liquid permeable surface side sheet and a liquid impermeable back face side sheet. The handheld electronic devices may include cellular telephones with music player functionality or other portable devices. The electronic transaction card may have magnetic field producing circuitry compatible with magnetic card readers, smartcard circuitry, other point-of-sale interfaces, or any combination thereof. Through the control of the epitaxial growth process, it is attained that the surface of the p-type semiconductor layer is textured to increase external quantum efficiency and the operation life of the light emitting device.