vs
6.4Noise control & calls7.9
3.7Battery9.2
Why is JBUDS OPEN WIRELESS better than Q31i?
- Weight245 g vs 267 g+9%
Why is Q31i better than JBUDS OPEN WIRELESS?
- Battery life24 h vs 80 h3.3×
- Hi-res codec (LDAC / aptX HD / LHDC)No · JBUDS OPEN WIRELESS: Yes
- Highest frequency20,000 Hz vs 40,000 Hz2×
- LDACNo · JBUDS OPEN WIRELESS: Yes
- Charging time2.5 h vs 2 h+25%
- Driver size35 mm vs 40 mm+14%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | — |
| Ear cup design | Open-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 35 mm | 40 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 94 dB | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Noise reduction (claimed) | 42 dB | — |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 2 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 24 h | 80 h |
| Battery capacity | 380 mAh | — |
| Charging time | 2.5 h | 2 h |
| Quick charge (claimed) | 10 min → 2.5 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 6 |
| Bluetooth codecs | AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Latency | 200 ms | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 245 g | 267 g |
| Foldable | Yes | Yes |
| Features | ||
| Hands-free calls | Yes | Yes |









