The product is a pack of 60 Rayovac Extra Size 13 hearing aid batteries designed to fit behind the ear (BTE) hearing aids, such as Widex and Oticon models. These digital batteries are specifically crafted for right ear, left ear, or both ears, and come in a vibrant orange colour. With a replaceable battery feature, these United States-manufactured units are ideal for unisex adults looking for reliable power sources for their hearing aids.
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