6 Sony Batteries, Size 312 Zinc Air Hearing Aid Batteries.
Perfect for Digital Hearing Aids : Feature a high and stable voltage to ensure steady sound outpot and avoid any interference caused by low temperature or excessively noisy environments.
6 Sony Batteries, Size 312 Zinc Air Hearing Aid Batteries.
Perfect for Digital Hearing Aids : Feature a high and stable voltage to ensure steady sound outpot and avoid any interference caused by low temperature or excessively noisy environments.