6.Welcome ODM .OEM order with wholesale price .
To Czech Republic and israel buyer ,
Behind ear hearing aid with 4 Volume control ,Swtich On and Off ,Easy to Operate.hear clearly Sound Voice,Comfortable not pressure ear
audifonos sordos Ear Hook Behind ear
appareil auditif mini portable convenient to use ,easy operate
Deaf headset listen device
hearing aid batteries 675
cheap ear hearing aid machine
Three size earplugs (Big .Middle ,small) for your choose the appropicated one to fit your ear canal.
ear hearing machine BTE hearing device aparelho auditivo S-138
1 x Hearing Aid
7.Strong packeg to protect hearing aid well
Real Picture showed ：
S-138 this mode is suitable for <70db hearing loss ,please noted.if your hearing loss is severe please consider high power hearing aid ,
Personal Deafness Hearing Aid Cheap Ear Machine Price S-138 bte hearing aid hearing enhancing as Christams gift Drop Shipping
|Features:||Medium and High Power, |
|Technical Parameters:||* Max Out : 130 plusmn 4dB |
* Max Gain : 48 plusmn 5dB
* Harmonic Dist: le 5%
* Frequency Range : 450Hz ~ 3500Hz
* Equivalent Input Noise : le 32 dB
* Standard Battery: A675 button cell
* Voltage: 1.5V
* Current: le 3mA
|Specification:||Product Weight: 8g |
Product Size: 5.3*4.4*1.0cm
Packing details: Paper+Plastic box
|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