Hearing Aid F-138 Mini Deaf-aids Help Ear Hearing Adjustable ToneHearing Aids
Features:Sound amplifier behind the ear Super mini size and light weight not easily to beseen Adjust volume to the minimum before wearing Choose an earplug of slightly bigger size to avoidwhistler Increase volume gradually to avoid sudden increase insound
Specifications:Model: F-138Max Saturated Sound Pressure: 130dB+5dB Sound gain: u2265 50dbHarmonic Wave Distortion:u2264 5% Frequency response Range: 300--- 4000 Hz Input Noise: u2264 30 dB Power Voltage :1.5 V Working Current : u22644mA Battery Type: AG13 button cell battery (included)
You can buy this item at a price SGD 23.57 of the actual price SGD 86.82 Here
Features:
Sound amplifier behind the ear
Super mini size and light weight not easily to beseen
Adjust volume to the minimum before wearing
Choose an earplug of slightly bigger size to avoidwhistler
Increase volume gradually to avoid sudden increase insound
Specifications:
Model: F-138
Max Saturated Sound Pressure: 130dB+5dB
Sound gain: u2265 50db
Harmonic Wave Distortion:u2264 5%
Frequency response Range: 300--- 4000 Hz
Input Noise: u2264 30 dB
Power Voltage :1.5 V
Working Current : u22644mA
Battery Type: AG13 button cell battery (included)
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