Product description from Amzon website:
- Digital chip, using the nonlinear amplification circuit, automatic control amplifier level according to user's comfort, the sound quality is clear, soft and not hurt.
- A new DSP chip smart noise reduction, simulation cochlear function, double noise reduction program
- Light and handy appearance. Easy to carry. (Designed according to human ear canals, easy to adorn. Exquisite and small. Adorn firmly with sweat proof and anti-skidding surface materials.)
- Convenient USB charger. Low power and power saving (charging 2 hours can be used 2 days).
- Various kinds of earplugs. Adorn comfortably. (Choose the suitable earplugs according to your ear canals.)
- The wire tubes can be rotated 360 degree, which is more adaptable for both ears.
- 2 sound tubes
- Cleaning brush
- Cleaning tip
- USB charger
- 3 different ear plugs
- Traveling case
The HearNa HAS608 Digital Hearing Amplifier has push button, rechargeable batteries, volume control, noise reduction, listening programs, and processing channels.