4 pcs/lot iron amplifier enclosure diy switch box79x279x170 mm instrument enclosures

4 pcs/lot iron amplifier enclosure diy switch box79x279x170 mm instrument enclosures
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  • Продажная ценаUS $156.40piece
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USB Rechargeable Hearing Aids Headphone S-51 Instrument Sound Amplifiers Deaf Ear Medical Devices Free Shipping 

Product Description: 

_

the hearing aid will be ship out within 1-2 days when received your payment .Welcome ODM ,OEM order ,with wholesale price 

 

 

Digital Rechargeable CIC Hearing Aid Headphones Deafness S-51 FEIE Ear Assistant Ear Care Tools 2018 Innovative Free Shipping

Features:

2 Fully Digital & Programmable Channels
Fully Automatic Wide Dynamic Range Compression (WDRC)
Linear Amplification to WDRC Adjustable
Hyperfine 10-band Sound Control
Acoustic Feedback Suppression
Open DSP Platform and Optimum Target Gain Disp
Scientific Algorithm Fitting
HI-FI Signal Processing Technology
Two Independent Memories (external VC oprional)
Maximum Power Output(MPO) Control
Memory Switchand Low Battery Indicator
Low Battery Consumption
Super Power avaliable for Mid to moderate hearing loss
"Telecom-easy" technology for phone Compatibility
Adaptive Noise Suppression

hearing aids,hearing aid battery

Technical Parameters: MAX-SSPL90: 117dBSPL
HFA-SSPL90: 106dBSPL
Peak Gain: 40dB
HFA-FOG: 35dB
Frequency Range: 200Hz~6000Hz
Harmonic Distortion: 500 Hz:1.6%
                              800Hz:1.0%
                              1600Hz:0.3%
Equivalent Noise Input: 32dB
Working Current: 0.25mA
Compression rise time: 6ms
Compression recovery time: 16ms

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Instructions:

1.The wire plug connected to the headset.Then earplug connector (hard) to the headset, earbuds (silica gel) to connect to the headphone connector pedestal  
2.The battery installation: Gently open the battery compartment cover, put a battery into the battery compartment in the right direction, then close the battery compartment .
3.Before you use this item ,you have to turn the ON-OFF switch to Off,and turn the sound volume to minimum
4.Then put this item on you ear, keep it tightly
5.Next, turn this item ON, adjust the volume until you hear clear sound

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 gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage. 
- Please regularly clean the ear plugs or ear molds in order to ensure the normal use of hearing aids.
- Use for long periods of time, please remove the batteries to prevent battery rot erosion hearing aid components.

Package 
 
 
Sample:

•Available
•Delivery within 3 days 

Warranty:

2years ,siemens hearing aid,hearing aids siemens,deaf hearing aid

Delivery:

We send the products  by sea or by air accroding to the demand of customers ,hearing aids prices,hearing aids prices in india

USB Rechargeable Hearing Aids Headphone S-51 Instrument Sound Amplifiers Deaf Ear Medical Devices Free Shipping 

Detailed Images:

CIC invisible ear USB rechargeable hearing aids ,

2 channel 

noise reduce

this model is distinguish right and left ear.

S-51-4s-51-911_44_55_88_

How place the hearing aid into the ear 

S-51-WEAR_

 

Double package can be protect hearing aid well ,arrive to you 

s-51

 

S-51-S-51 _

USB Rechargeable Hearing Aids Headphone S-51 Instrument Sound Amplifiers Deaf Ear Medical Devices Free Shipping 

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Company Information:

 
Feie Company 1Feie Company Display
 
Feie Hearing Aid
Please leave us five positive feedback to us if you are satisfy with hearing aids ,of course if you have any question for hearing aids ,please contact me firstly ,all message will be replied within 8 hours ,.
Feie hearing aid five stars