vs
4.2Noise control & calls9.3
Why is Echo Buds (2nd Gen) better than Wave Flex?
Echo Buds (2nd Gen) has no measurable advantages in this pair.
Why is Wave Flex better than Echo Buds (2nd Gen)?
- Active noise cancellingNo · Echo Buds (2nd Gen): Yes
- Battery life5 h vs 8 h+60%
- Bluetooth version5 vs 5.2+4%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver size | — | 12 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 105 dB |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 5 h | 8 h |
| Battery life with ANC | — | 8 h |
| Total with charging case | — | 32 h |
| Charging time | — | 2 h |
| Quick charge (claimed) | — | 10 min → 2 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.2 |
| Smart & streaming | ||
| Voice assistant | Alexa | — |
| Design & build | ||
| Earbud weight (each) | 7.6 g | — |
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Features | ||
| Hands-free calls | — | Yes |









