vs
Why is Twins Rush better than V40i?
- Water resistance (IPx)IPx7 vs IPx5+40%
Why is V40i better than Twins Rush?
- Charging time2 h vs 1.5 h+33%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | — |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 16 Ω |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 9 h | — |
| Battery life with ANC | 8 h | — |
| Total with charging case | 38 h | — |
| Charging time | 2 h | 1.5 h |
| Quick charge (claimed) | 5 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Design & build | ||
| Earbud weight (each) | — | 10.1 g |
| Protection rating | IP57 | IP55 |
| Water resistance (IPx) | IPx7 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |









