Product Description You’ll love hearing this: Energizer has its longest-lasting size 675 hearing aid batteries ever. And trust us, we know a thing or two about ears. These blue tab size 675 batteries deliver consistent sound quality across their life span for a better hearing experience. They’re also designed to prevent damaging leaks and premature low battery signals. The premium perforated packaging is more discrete and portable than our previous design. Just spin the double-sided battery dial to access the battery, install in your device with our long tabs, and easily lock the battery door to keep remaining batteries safely inside. Get our best performance and enjoy hearing everything the world has to offer with Energizer hearing aid batteries size 675. Brand Story By Energizer