vs
9.3Noise control & calls9.3
6.2Battery6.2
Why is Wave Flex better than Redmi Buds 4 Pro?
- Charging time2 h vs 4 h2×
Why is Redmi Buds 4 Pro better than Wave Flex?
- Battery life8 h vs 9 h+12%
- Total with charging case32 h vs 36 h+12%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 12 mm | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 16 Ω | — |
| Sensitivity | 105 dB | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Battery & charging | ||
| Battery life | 8 h | 9 h |
| Battery life with ANC | 8 h | — |
| Total with charging case | 32 h | 36 h |
| Charging time | 2 h | 4 h |
| Quick charge (claimed) | 10 min → 2 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Design & build | ||
| Protection rating | IP54 | — |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
