Why is Wave Flex 2 better than V40i?
Wave Flex 2 has no measurable advantages in this pair.
Why is V40i better than Wave Flex 2?
- Water resistance (IPx)IPx4 vs IPx5+25%
- Charging time2 h vs 1.5 h+33%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | — | Open-back |
| Driver size | 12 mm | — |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 98 dB | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Battery & charging | ||
| Battery life | 10 h | — |
| Total with charging case | 40 h | — |
| Charging time | 2 h | 1.5 h |
| Quick charge (claimed) | 10 min → 2 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | — | 10.1 g |
| Protection rating | IP54 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
