Digital Hearing Aid Rechargeable Sound Voice Amplifier

Hearing Aid Rechargeable Personal AXON Adjustable Sound Voice Amplifier DESCRIPTIONS:Built in 400mAh Lithium battery,8 days working time after charge 1 timeBattery charging up to 2000timesDC 3.7V,loud and clear voiceMax sound gain up to 56dB±5dBLED light indicatorO-H-N swtich(On/Off switch,Low frequency adjustment)O~4 volume controlMain Unit Size 29*20*80mmDifferent size noise prevention earplug for you selectionUse the most splendid lithium battery power supply, provides the battery charger, no need to replace batteryCE CertificationStrict quality control,test by the hearing aid test machine of Fonix 7000 and Fonix 8000.
SPECIFICATIONS:Color: Red/BlackMax Sound Output: 127±4 dBMax Sound Gain:48dB ± 5dBHarmonic Wave Distortion:  =5%Frequency Range: 450~3500hzInput Noise:  =32 dBBattery: Lithium BatteryWorking Voltage dc 3.7VWorking Current: =3mANet Weight : 200g
Package list:1 x Hearing Aid1 x Power Adapter (EU)1 x Cable4 x Pair Earplugs (Different Size)1 x User Manual1 x Earphone
Note:Adjust volume to the minimum before wearing.Choose an earplug of slightly bigger size to avoid whistler.Increase volume gradually to avoid sudden increase in sound.If you hear a howling, check the ear (silica G.E.L ) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage.Keep the ear plug clean.Remove the battery if you don't use it for long time.
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