vs
2.5Battery4.8
Why is SOUNDFORM Nano better than Free 2S?
SOUNDFORM Nano has no measurable advantages in this pair.
Why is Free 2S better than SOUNDFORM Nano?
- Battery life5 h vs 7 h+40%
- Total with charging case19 h vs 30 h+58%
- Water resistance (IPx)IPx5 vs IPx7+40%
- Bluetooth version5 vs 5.2+4%
- Charging time2 h vs 1.5 h+33%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver size | 6 mm | — |
| Sensitivity | 85 dB | — |
| Spatial / 3D audio | — | Yes |
| Noise control | ||
| Active noise cancelling | No | — |
| Microphones | — | 4 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 5 h | 7 h |
| Total with charging case | 19 h | 30 h |
| Battery capacity | — | 40 mAh |
| Charging time | 2 h | 1.5 h |
| Quick charge (claimed) | 10 min → 1 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.2 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | — | Yes |
| Latency | — | 60 ms |
| Low-latency game mode | — | Yes |
| Design & build | ||
| Protection rating | IPX5 | IPX7 |
| Water resistance (IPx) | IPx5 | IPx7 |
