Features: Compact and lightweight, this portable hearing aids batteries storage case securely holds two different sized button cells (10/312/13/675) for cochlear device users. Crafted from stable PP material, its dust proof design safeguards batteries from environmental damage while maintaining cleanliness during daily carry. Ideal for hearing aids wearers and cochlear implants users requiring reliable battery organization during outdoor activities or travel. Effortlessly store spare batteries in pockets/purses for quick access at parks, offices, or while commuting to ensure uninterrupted device operation. The double compartment cochlear device battery case optimizes space efficiency, providing a practical solution for managing multiple battery types in one portable organizers. Specifications: Size:Approx.4x1.9x0.8cm/1.57x0.74x0.31inches Material: pp Type:1Pc/2Pcs/5Pcs(Optional) Package Includes: 1/2/5Pcs Hearing aids Cochlea Special Button Battery Portable Box note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.