Model:ZA312 A312. Application:Watch,digital hearing aids. Chemical System:Zinc Air (Zn/O2). Button/coin batteries can cause severe injuries or even death when swallowed. Keep batteries out of reach of children.
Our Size 312A hearing aid batteries are designed not only for performance but also with your convenience in mind. Why Choose Our Hearing Aid Batteries?. Enjoy the ease of use with a design that simplifies usage.