The product is a set of 6 Rayovac Crystal Clear hearing aid batteries in size 675CP, suitable for both ears. These batteries are powered by zinc-air and have a voltage of 1.45V. They come in a pack of 12 and have an expiry date of 2020 The batteries are replaceable and have a CE certificate. This product is designed for use in hearing aids and provides a reliable power source for extended periods.
