The Ansmann Hearing aid batteries type 312 / PR41 feature modern zinc-air high-performance technology (1.4V), making them an ideal energy source for all analog and digital hearing aids, as well as the latest digital devices. With long operating time, high capacity, and optimal reliability, these button cells ensure excellent performance. They also offer a long shelf life and a great price-performance ratio. Durability 4 years
Color silver
Packaging blister packs