Hearing Aids (Pair),with Digital display mobile hearing aid sound

1. Host (1) Ear plugs (1)

Vacuum bottom bracket (1) English instruction manual (1)

2. Maximum sound output: 120 decibels

3. Sound frequency: 85 decibels

4. Sound gain: 22.8 decibels

5. Total harmonic distortion: ≤ 10%

6. Frequency range: 200-5000 Hz

7. Equivalent input noise: ≤ 48 decibels

8. Working voltage: 3V

9. Working current: ≤ 10mA

10. Battery capacity: 1150mAH