S-303 Digital Hearing Aids

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Wireless Invisible Hearing Aid Earphone for Old People Hearing Loss Battery Deafness Hard S-303 Behind Ear Sound Enhancement

This product is a delicate ear hearing aids, especially use for your entertainment, leisure, listening to opera, watching television and movies, meeting communication or students in the calss, to make the sound effect clear and lound,good choice for people who need.

Technical Parameters:

1. Digital processing chip, ultra-low power design, (zinc air battery A13)600 hours last use of one battery

– 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 roterosion hearing aid components

This model use zinc air battery A13 ,can last more than 600hours one pcs.

Low Frequency Adjustment

When you are in Noise place ,open N-H cover and screw the N-H clockwise for reduce the noise of Low Frequency

Voice Powerful :

Please screw P clockwise for reduce sound too loundly

Package content:

1 x Hearing Aid:1 x Cleaning Brush;4 x Earplugs(Different Size);1 x Instruction manual

(in English) 2pcs sound tube only 1pcs battery please note not 2pcs batteries.

Digital High End Quality Programamble Audiometry Hearing Aids,Please click below picture to buy which one you are interersted in.