Custom properties
Color: green, orange, blue, sky blue, red, black.
Purpose: designed to check the battery state of hearing aid, which can accommodate 2 HAB batteries.
Features: 1. Suitable for all sizes of HAB, 675, 312, 13,10.
2. Bar chart displayed in 2.LCD
3. Compact and can be used as a key chain, which is easy to carry.
4. Suitable for hearing aid stores, clinics, promotion and donation activities.