vs
9.3Noise control & calls4.2
4.1Battery8.7
Why is X3 Pro better than Openfree JR-OE2?
- Active noise cancellingYes · Openfree JR-OE2: No
Why is Openfree JR-OE2 better than X3 Pro?
- Battery life7 h vs 10 h+43%
- Water resistance (IPx)IPx4 vs IPx5+25%
- Driver size8 mm vs 16.2 mm2×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Open-back |
| Driver type | — | Dynamic |
| Driver size | 8 mm | 16.2 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Sensitivity | 92 dB | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 7 h | 10 h |
| Battery life with ANC | 6 h | — |
| Total with charging case | 22 h | — |
| Battery capacity | — | 120 mAh |
| Charging time | 1.5 h | 1.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | — | 12 g |
| Protection rating | IP54 | IPX5 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |









