AVA 199 Amplifier Hearing Aid use the same basic parts to carry sounds from the environment into your ear and make them louder. Benefits: Digital, and powered with a hearing aid battery Product can help you hear the sound clearly and loudly if you want to hear very slight sound it will be a good.
Features.
- 3 different size of ear tips are available
- Max sound output 125-+5db
- Frequency range 300-4000Hz
- Rechargeable battery available
