vs
2.0Noise control & calls4.8
7.4Battery7.4
2.3Build & features9.2
Why is Ultra Open Earbuds (2nd Gen) better than OpenDots 2?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · OpenDots 2: No
- Charging time1 h vs 2 h2×
- aptXYes · OpenDots 2: No
Why is OpenDots 2 better than Ultra Open Earbuds (2nd Gen)?
- Battery life9 h vs 10 h+11%
- Water resistance (IPx)IPx4 vs IPx7+75%
- Microphones2 vs 63×
- Bluetooth version5.4 vs 6.1+13%
- Earbud weight (each)10 g vs 6.4 g+56%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 11.8 mm |
| Number of drivers | — | 2 |
| Lowest frequency | — | 100 Hz |
| Highest frequency | — | 20,000 Hz |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | No |
| Microphones | 2 | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 9 h | 10 h |
| Total with charging case | — | 40 h |
| Charging time | 1 h | 2 h |
| Quick charge (claimed) | — | 5 min → 2 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 6.1 |
| Bluetooth codecs | aptX Adaptive, AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | Yes | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 10 g | 6.4 g |
| Protection rating | IPX4 | IP57 |
| Water resistance (IPx) | IPx4 | IPx7 |
| Dust protection (IP) | — | 5 |
| Colours | — | OpenDots 2 Pink, OpenDots 2 Black, OpenDots 2 Grey, OpenDots 2 Pearl White |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
