SIZE 312 HEARING AID BATTERIES: Sonivex size 312 zinc-air batteries are compatible with a wide range of hearing aids that use the standard P312 brown-tab cell. IEC Code: PR41.
SIZE 312 HEARING AID BATTERIES: Sonivex size 312 zinc-air batteries are compatible with a wide range of hearing aids that use the standard P312 brown-tab cell. IEC Code: PR41.