Philips ZA675B6A 675 Hearing Aid Cell (Blue) Top-quality Zinc-air technology provides long-lasting performance in personal hearing aids. Features Reliable for long-term performance. Zinc-air technology is designed for hearing aids. When sealed the battery remains fresh for use for up to 3 years. Colours make recognition of battery sizes easier. The dispenser makes removal of cell easy. Specifications Battery Type: 1.4V Button Cell Battery for Hearing Aids Chemical composition: Zinc-Air Most Common Name: 675 / Blue Tab IEC Name: PR44 ANSI/NEDA Name: 7003ZD Dimensions: 11.6 x 5.4 mm (Diameter x Height) Packaging: Blister - Dispenser with 6 Pieces