Hearing enhancement
SonaVue HJA “Jona”
The premium frame in a softer, rounded shape, finished in gloss acetate, on the same platform as K-Man.
- Tier
- Premium
- Frame
- Premium gloss acetate, rounded
- Variants
- 11
Available versions
11 in retail artworkPhotochromatic
2 versions · 4 imagesClear to grey, reacts to daylight. Category 0–3.
Sunglasses
2 versions · 4 imagesPolarised sun lens. Category 3.
Progressive reader
7 versions · 14 imagesOTC reading magnification with clear distance vision.
Specifications
from the product registryShared across every version. Battery and Microphones differ by frame. Compare the frames.
| Ingress protection | IP54 |
|---|---|
| Full recharge | 1.5h |
| Quick charge | 10 min = 2h use |
| Bluetooth | 5.4 |
| Lens | photochromatic (clear → grey) |
| Lens category | Cat 0–3 (Cat 3 on the 02 sunglass lens) |
| UV protection | UV400 protection |
| Reader dioptres | +1.0 · +1.5 · +2.0 |
| Frequency band | 2402–2480 MHz |
| Certifications | CE RED 2014/53/EU · RoHS |