Why is Vibe Flex better than TWS250i?
- Bluetooth version5.2 vs 5+4%
Why is TWS250i better than Vibe Flex?
- Water resistance (IPx)IPx4 vs IPx5+25%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | — | 4 h |
| Charging time | 2 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5 |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | — | 10 g |
| Protection rating | IP54 | IPX5 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | 5 | — |









