This USB condenser microphone uses a plug-in power system and can be used by connecting it to a USB port. ※The packaging box is already unavailable, so please purchase only if this is not a problem. This is an easy-to-assemble set with simple manual balance adjustments. It's easy to understand, even for beginners. When shipping, the parts will be separated and shipped flat and in a low-profile manner. Why not enjoy your leisure time for a better life?