Features:
1.Best gift for sound amplifier in ear--- Anti-shock, anti-drop, moisture proof, high temperature proof.
2.Light weight , convenient and comfortable to wear.
3.The volume is adjustable , Help people with hearing impairment to hear sound and voice.
4.This hearing aid fits for either ear ( left or right side), you can adjust it to the most satisfactory results.
Specification:
Max sound output: ≥120 dB
Max sound gain: ≥30 dB
Harmonic distortion: f<1000Hz≤10%, f>1000Hz≤4%
Frequency range: 250~3800Hz
Input noise: ≤50 dB
Battery: AG3
Working voltage: DC 1.5V
Working current: ≤4mA
Package Including:
2 x Hearing Aid Amplifier
8 x Earplugs
4 x AG3 Button Battery
2 x Case +2 User Manual