| Brand | Unbranded |
|---|---|
| Type | Hearing aid |
| Max sound output | 130dB |
| Sound gain | 38dB |
| Input nose | ≤30dB |
| Total harmonic wave distortion | ≤5% |
| Frequency range | 300~4000Hz |
| Built-in rechargeable battery | NO |
| Use battery | 1.5V LR44H button battery |
| Wear | Either left or right ear |
| Color | skin color |
Check the listing for details. Adjustable 2×Digital Hearing Aids Kit Behind the Ear Sound Voice Amplifier !. Color: skin color, Condition: New. Listed at 15.67 USD. Why you can hear the whistle voice when wearing the hearing aids?. How to wear the hearing aids?. So step by step adapt, in order to make you as soon as possible to through the adaptation period, and make the role of hearing aids to maximize.
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