Siemens Digital Hearing Aid S-12sp High Powerful Audifonos Para Sordos Hearing Aids For Profound Loss Free Shipping

Features:

•100% digital signal processing chip •Low distorted, low noise digit acoustic fidelity output •Microphone noise abatement •Excellent feedback elimination system •New robust design with reinforcement, moisture-proof new outward appearance,hearing aid,hearing

•Rocker volume control •Single easy to adjust NH Trimmer •Button control with two functions : Soft/Loud •Suit for the prople with moderate and severe hearing loss

Performance parameters: Peak: 132dB Reference Frequesncy(1.6KHZ): 126dB Max Gain:60dB Reference Frequesncy(1.6KHZ): 55dB Total harmonic distortion:5% Equivalent Input Noice: 30dB Battery Current (Size:13): 1.5mA Instructions:

1.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 . 2.Before you use this item ,you have to turn the ON-OFF switch to Off,and turn the sound volume to minimum 3.Then put this item on you ear, keep it tightly 4.Next, turn this item ON, adjust the volume until you hear clear sound Package: 1.hearing aid 2.magnet bar 3.instruction 4.packing box 5.shockproof box 6.ear touch 7.sound tube

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.

All parameter and function are same as Siemens But not Real Siemens ,please noted!