Feature●SPEAKER RINGS - made to be installed between the speaker and mounting surface.●SIZE & COMPATIBILITY - These LED rings are made for 6.5-inch Universal speakers and are pre-drilled and ready to install. This ring may fit your speakers, but you will need to compare the outside speaker diameter and inside speaker diameter to know.●WATERPROOF - These rings are sealed for marine use if installed correctly. Perfect to be mounted on speaker boats, car speakers, and other Powersports speakers.●We also sell different size: 6.5inch,8inch,10inch,12inch,15inch,6*9inch,pls click our store to view.●Can Controlled by Remote and APP Simultaneously（For faster shipping, batteries are not included in the package）Description SPEAKER RINGS - made to be installed between the speaker and mounting surface.