Adjust to either ear. Input noise: ≤40dB. Amplify sound up to 40 decibels. Help you hear the sound clearly whether indoors or outdoors. Maximum sound output: 110±5dB. Sound gain: ≥30dB. Accurate and easy to use.

Package: Single
Brand: Unbranded
Type: Hearing Aid
To Fit: Both Ears
Power Source: Battery
Max sound output: 110±5dB
Max Sound Gain: ≥30 dB
Frequency Range: 300-400Hz
Input Noise: ≤40dB