vs
3.0Noise control & calls3.0
2.5Battery3.0
Why is SOUNDFORM Nano better than Redmi Buds 4?
SOUNDFORM Nano has no measurable advantages in this pair.
Why is Redmi Buds 4 better than SOUNDFORM Nano?
- Battery life5 h vs 6 h+20%
- Bluetooth version5 vs 5.2+4%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Semi-open |
| Driver type | — | Dynamic |
| Driver size | 6 mm | — |
| Sensitivity | 85 dB | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 5 h | 6 h |
| Total with charging case | 19 h | — |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | 10 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.2 |
| Bluetooth codecs | — | AAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Design & build | ||
| Protection rating | IPX5 | — |
| Water resistance (IPx) | IPx5 | — |
