Products description from Amazon website:
- One button operation, which is easy to use. (One on-off button and one volume button. Easy for the old people to learn.)
- High cost performance. With the same performance, the cost performance is higher. (Sound is good distortion is small. Easy operation with many shifts of tone tuning).
- 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.)
- 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 Ag13 battery
- 3 Ear tips
- Storage box
- Manual book
The HearNa HAS302 Hearing Sound Amplifier has disposable batteries, volume control, and power switch.