vs
7.3Battery6.8
Why is Junior Free better than AeroFit 2 AI Assistant?
- Battery life10 h vs 8.5 h+18%
Why is AeroFit 2 AI Assistant better than Junior Free?
- Charging time2 h vs 1 h2×
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | Open-ear |
| Ear cup design | — | Open-back |
| Driver type | — | Dynamic |
| Driver size | — | 11.5 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | 85 dB | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | — |
| Battery & charging | ||
| Battery life | 10 h | 8.5 h |
| Total with charging case | — | 35 h |
| Charging time | 2 h | 1 h |
| Quick charge (claimed) | 5 min → 1 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.4 |
| Bluetooth codecs | — | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 25 g | — |
| Earbud weight (each) | — | 10 g |
| Protection rating | — | IP55 |
| Water resistance (IPx) | — | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | — | Jet Black, Pearl White, Sage Green |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
