vs
4.2Noise control & calls5.5
8.7Battery5.1
Why is Openfree JR-OE2 better than CMF Buds 2a?
- Battery life10 h vs 8 h+25%
- Water resistance (IPx)IPx5 vs IPx4+25%
- Driver size16.2 mm vs 12.4 mm+31%
Why is CMF Buds 2a better than Openfree JR-OE2?
- Active noise cancellingNo · Openfree JR-OE2: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Open-back | — |
| Driver type | Dynamic | — |
| Driver size | 16.2 mm | 12.4 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 10 h | 8 h |
| Battery life with ANC | — | 5 h |
| Total with charging case | — | 36 h |
| Battery capacity | 120 mAh | — |
| Charging time | 1.5 h | — |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | — |
| Low-latency game mode | — | Yes |
| Design & build | ||
| Earbud weight (each) | 12 g | — |
| Protection rating | IPX5 | IP54 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | — | 5 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
