AXON HEARING AID V-163 Sound Enhancement Amplifier Behind The Ear Hearing Machine

2) Max Sound Output -130 5dB

3) Max Sound Gain – 50 5dB

4) Harmonic Wave Distortion – 5%

5) Frequency Range -450~3500 Hz

6) Input Noise – 30 dB

7) Battery -AG13 or A675 (Zinc Air Battery)

8) Working VoltageDC 1.5V

9) Working Current – 4mA

10) Measurement – 53*44*9mm

11) Net Weight – 8g