Small In The Ear Invisible Best Sound Amplifier Adjustable Tone Hearing Aids Adsound Personal Hearing Amplifier

Small In The Ear Invisible Best Sound Amplifier Adjustable Tone Hearing Aids Adsound Personal Hearing Amplifier Micro Ear Hearing aid audio Amplifier In The Canal (ITC) Extra Small with Volume Control Clear Sound Lightweight and tiny Invisible Adsound G-16 With Battery A10 Small ITE Hearing Aid Product model G-16 Mini size only 0.95cm*1.3cm*1.9cm Body color: beige ?ITC hearing aid ? for mild hearing loss ?Unique in the ear design ?Adjustable volume button ?Power battery A10,Working for 100 hours FAQ: Question 1: Why there is the whistling sound? Adsound Answer: 1. The ear plug is too small. 2. The ear plug is not really inserted into the ear canal. 3. The sound tube isn't connected tightly with the ear plug. 4. The sound tube isn't connected tightly with the ear hook. url:http://www.byvisiontech.com