The Duracell Size 675 Hearing Aid Batteries 6 Pack are high-quality, zinc air batteries designed specifically for behind the ear (BTE) hearing aids. With a long-lasting power supply and a manufacturer warranty of none, these batteries are reliable and convenient for daily use. The pack includes 6 replaceable batteries, suitable for both ears, providing a seamless listening experience for individuals with analog sound processing. Perfect for those in need of continuous support for their hearing aids, these Duracell batteries ensure clear and consistent sound quality.