For use with BDM-1 & BDM-2
- For battery sizes 13, 312 & 10
- Supplies working voltage to hearing aid
- Manufactured by hand to insure integrity
- Built to withstand rigorous use
- Ultra-flexible cable for ease of positioning
- Optional 2.2 ufd capacitor for high power units
- 18" long
- Used to connect the hearing aid to the drain meter
