Widex Size 312 PR41 Hearing Aid Battery is a hearing aid battery of size 312 that provides constant voltage levels for optimum performance of hearing aids. It is a long-lasting hearing aid battery available in various sizes and colours. | Uses: This battery helps properly operate hearing aids that support various hearing conditions. | Product Specification and Features: This battery supplies constant voltage levels that maximise the performance of hearing aids It is a high-quality battery which has a long life to provide the optimum performance of the aids It is activated once the protective layer is removed | Directions For Use: Use as directed on the label. | Safety Information: Read the label carefully before use Store in a cool and dry place away from direct sunlight Keep out of reach of children