specification: Item Type: Button Battery Charge Box_x000D_Material: ABS_x000D_Purpose: A675 battery is the largest button battery for hearing aids. It is often used for high power hearing aids. The use time is 10 to 15 days._x000D_Battery: 2 x A675 Button Batteries 10mAh (Included) Features: 1For Hearing Aids: A675 button battery is the largest button battery for hearing aids, which is often used for high power hearing aids. 2Package Included: Come with 2pcs button batteries, a battery charging box, and a USB charger, keep your hearing aid energized at all times. 3Easy To Use: You can put 2 button batteries in the battery charge case to start charging, which is easy and convenient for you to use. 4Long Endurance: Hearing aid button batteries can be recharged, and last for 10 to 15 days, the charging box is small in size for easy to carry. 5Excellent ABS: Rechargeable button battery box is made of high quality ABS material, firm and sturdy, which can be used for a long time. PackageList: 1 x_x000D__x000D_Battery Charge Box 1 x USB Charger 2 xButton Batteries