vs
4.9Noise control & calls5.5
5.2Battery5.1
Why is GO POP ANC better than CMF Buds 2a?
- Battery life with ANC21 h vs 5 h4.2×
- Water resistance (IPx)IPx5 vs IPx4+25%
Why is CMF Buds 2a better than GO POP ANC?
- Battery life7 h vs 8 h+14%
- Total with charging case24 h vs 36 h+48%
- Driver size10 mm vs 12.4 mm+24%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | Dynamic | — |
| Driver size | 10 mm | 12.4 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 32 Ω | — |
| Sensitivity | 105 dB | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | — | Yes |
| Noise reduction (claimed) | 38 dB | — |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 2 | — |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 7 h | 8 h |
| Battery life with ANC | 21 h | 5 h |
| Total with charging case | 24 h | 36 h |
| Battery capacity | 45 mAh | — |
| Charging time | 2 h | — |
| Quick charge (claimed) | 10 min → 1 h | — |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| Latency | 200 ms | — |
| Low-latency game mode | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 8.2 g | — |
| Protection rating | IP55 | IP54 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | 5 |
| Colours | Fuchsia, Teal, Transparent Neon Green, Transparent Purple, Transparent Teal, Black | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
