Products features from Amazon website:
- Designed with auricle fixed line. The shape can be changed casually to adapt to your ears and bring better support. This design can prevent the earplugs running off.
- Small in size. Better concealing. Adorn comfortably and beautifully.
- Convenient USB charger. Low power and power saving.
- Embedded earplugs. Clearer and louder voice.
- Professional hearing-aid horns. Hi-Fi and low noise.
- Charging time:7 hours
- 12-14Hours continuous use with a full charge
- Designed for left or right ear
- On/off switch
- Cleaning brush
- Cleaning tip
- USB charging dock
- Different sized ear tips
- Traveling case
The HearNa HAS338 Rechargeable Hearing Sound Amplifier has rechargeable batteries, volume control, and power switch.