vs
9.3Noise control & calls9.3
Why is Choice Earbuds S7 better than Wave Flex?
- Total with charging case36 h vs 32 h+12%
Why is Wave Flex better than Choice Earbuds S7?
- Charging time3 h vs 2 h+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver size | — | 12 mm |
| Number of drivers | 2 | — |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | 91 dB | 105 dB |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Battery & charging | ||
| Battery life | — | 8 h |
| Battery life with ANC | — | 8 h |
| Total with charging case | 36 h | 32 h |
| Charging time | 3 h | 2 h |
| Quick charge (claimed) | — | 10 min → 2 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | LDAC, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | No | — |
| LDAC | Yes | — |
| USB-C | Yes | — |
| Low-latency game mode | Yes | — |
| Design & build | ||
| Protection rating | IP54 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Hands-free calls | — | Yes |
