Cheap amplifier cover, Buy Quality amplifier headset directly from China amplifier vhf Suppliers: Analog ITC Sound Voice Amplifier Hearing Aids S-211 Deafness Headset High Auality Sound Amplifier Micro Ear Hearing Aid
Please leave us message to know the RIGHT or LEFT ear when you buy one side. T hank you in advance for your kind assistance! Analog ITC Sound Voice Amplifier Hearing Aids S-211 In The Ear Deafness Headset High Auality Sound Amplifier Micro Ear Hearing Aid Model:S-211 Product performance and parameters: 1.Max Out: ≥115dB 2.Max Gain:≥30dB 3.Average Gain:≥38dB 4.Harmonic Distortion:a)≤10%(Frequency b)≤4%(Frequency >1000Hz) 5.Equvi Input Noise:≤30dB 6.Frequency Range:≥250Hz~3500Hz Stanard battery:AG3 or AG312 button cell Voltage:D.C. 1.5V Current:≤4mA Product Weight:3g Product Size:2.3*1.3*1.9cm Package: Plastic Box Package Size:11.1*8.4*3.3cm Product description: 1.It is forbidden to used by those patients with tympanit
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