Hearing Aids For Deafness Sound Amplifier Wireless Headphones Ear Aids Hearing
Aid Hearing Device For Deaf Elderly Adjustable Tone Sound Amplifier audifonos
Features:
??Intelligent?voice?spectrum?analysis
??Adaptive?feedback?management?system
??Wind?noise?suppression?(Level?3)
??Acoustic?comfort?optimizer?(Level?3)
??Full?of?digital?circuits
??Small?BTE?projects
??Air?conduction
??Adjustable?left?and?right?ears
??Digital?volume?control
??High?and?low?pitch?controls
Product?parameters:
1.Max-SSPL?90:127.8dB?SPL
2.HFA-SSPL90:119.1?dB?SPL
3.Peak?Gain:41.4dB?SPL
4.HFA-Full?On?Gain:32.4dB?SPL
5.Frequency?Range:450-3500Hz
6.THD?at:500Hz%
7.800Hz:0.6%
8.1600Hz:0.1%
9.EQ.?Input?Noise?Level: 29.2dB
10.Battery?Current?Drain: 5mA
11.Rated?Voltage: D.C?1.4V
Comfortable to wear, Ergonomic design maximizes comfort, fit and stability for all-day wearing. 
? ? Intelligent Noise Reduction System, Detect and Recognize the Noise Wave,
? ? Change the Gain of the Channel Where the Noise is Located, Make Normal Speed More Clearly.
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.
