Rechargeable Hearing Aid Digital Hearing Aids for Elderly In Ear Sound Amplifier Mini Invisible Wireless Headphones With Adjustment Tools For Deafness

Coolbe: The information about the product is provided by the seller. Notwithstanding any of this information, the product is not intended for diagnosis, cure, mitigation, treatment or prevention of any disease, is not a drug or a medical device, and should not be used for any medical purposes. Please consult a medical specialist.

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▶Product feature: 1. 5 Volume Levels----Press the Button to Adjust Volume 2. 16 Channels--Digital Hearing Aids bring you better sound quality 3. Advanced Chips--Noise Reduction

▶Technical Specification： 1.MAX OSPL 90(dB SPL):1112 2.HFA OSPL90(dB SPL):107 3.Peak Gain(dB):35.8 4.HFA FOG(dB):30.1 5.Frequency Range:F1s200Hz~F2z4700Hz 6.THD at 500Hz:0.6%

THD at 800Hz:0.5%

THD at 1600Hz:0.3% 7.Eq.Input Noise Level(dB):22.7 8.Battery Current Drain(mA):1.18 9.Attack Time(ms):6 10.Release Time(ms):62

▶Prompt: There are Whistle as you put the battery into the hearing aid .Please donot worry .because the air presure will make Whistle. ​1.Please adjust lower volume . ​2.Choose the suitable ear plug ​3.Make sure if you put the earplug tightly,sound leak will make the Whistle.