Invisible Sound Amplifier for Elderly, Hearing Aids Style:Hearing Aid sturdy for long serving time
Yard notes & kiln story
Description
sturdy for long serving time
Samsung S20plus
covering nearly 99% of songs
2301 Green
Gender: Male
Invisible Sound Amplifier for Elderly, Hearing Aids Style:Hearing Aid sturdy for long serving timeProduct Information: Specification: Convenient to carryLow noise and low distortionSuitable for people with severe hearing lossDesigned as a hearing assistance deviceSuitable for air conduction hearing impairmentNot suitable for use in cases of otitis media or ear discharge Characteristics: Maximum Sound Output: 130 5 dBSound Gain: More than 50 dBTotal Harmonic Distortion: Less than 5%Frequency Range: 300 Hz ~ 40000 HzInput Noise: Less than 30