vs
2.1Noise control & calls3.0
Why is Ultra Open Earbuds (2nd Gen) better than R50i NC?
Ultra Open Earbuds (2nd Gen) has no measurable advantages in this pair.
Why is R50i NC better than Ultra Open Earbuds (2nd Gen)?
- Battery life9 h vs 10 h+11%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Microphones | 2 | — |
| Battery & charging | ||
| Battery life | 9 h | 10 h |
| Charging time | 1 h | — |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | aptX Adaptive, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 10 g | — |
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |









