vs
5.2Noise control & calls9.3
Why is Ace better than Choice Earbuds S7?
- Charging time1 h vs 3 h3×
Why is Choice Earbuds S7 better than Ace?
- Total with charging case34 h vs 36 h+6%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Number of drivers | — | 2 |
| Sensitivity | — | 91 dB |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 8 h | — |
| Battery life with ANC | 5 h | — |
| Total with charging case | 34 h | 36 h |
| Charging time | 1 h | 3 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.3 |
| Bluetooth codecs | — | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | Yes | — |
| USB-C | — | Yes |
| Low-latency game mode | — | Yes |
| Smart & streaming | ||
| Voice assistant | Alexa, Google Assistant | — |
| Design & build | ||
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
