1Pcs CYBER SONIC Hearing Aid Personal Hearing Amplifier For The Elderly Deaf Ear Sound Amplifier- Beige Hearing Enhancement Device Battery Powered

100% Brand new and high quality
Businessclaud.com product will be checked carefully
Businessclaud.com to moderately severe hearing loss;
4.. Low noise, small distortion;
5.. Easy to wear.
Businessclaud.com the maximum saturation pressure level: 135 db or less
Businessclaud.com the full file to gain: p 45 db
Businessclaud.com the harmonic distortion: f < 10% 1000 hz or less
9.F > 10% 1000 hz or less
Businessclaud.com the frequency response: 400 hz -3500 hz
Businessclaud.com the equivalent input noise: 32 db or less
12.U working voltage: 1.5 v
13.U working current: < 6.8 mA

1X Classic Cyber Sonic Hearing Aid Personal Hearing Amplifier spare ear bands