With today’s high performance hearing aids and sophisticated functionality front of mind, Rayovac's 'Clear Sound Technology’ has been designed to meet the demands of the modern day hearing aid device, providing you with a consistent, quality performance throughout the entire life of the battery!
In general, there are 4 sizes of hearing aid batteries; yellow, brown, orange and blue. They are ‘Zinc Air’ batteries which mean that when you peel the sticker off the battery the air gets into the battery and starts the battery working. Size 10 - otherwise known as Yellow hearing aid batteries Size 312 - otherwise known as Brown hearing aid batteries Size 13 - otherwise known as Orange hearing aid batteries Size 675 - otherwise known as Blue hearing aid batteries.
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