vs
7.4Battery8.6
9.2Build & features7.0
Why is OpenDots 2 better than OpenFit 2+ T921?
- Water resistance (IPx)IPx7 vs IPx5+40%
- Bluetooth version6.1 vs 5.4+13%
- Earbud weight (each)6.4 g vs 9.4 g+47%
Why is OpenFit 2+ T921 better than OpenDots 2?
- Battery life10 h vs 11 h+10%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | Open-ear |
| Ear cup design | Closed-back | Open-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 | — |
| Microphones | 6 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 10 h | 11 h |
| Total with charging case | 40 h | — |
| Charging time | 2 h | — |
| Quick charge (claimed) | 5 min → 2 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6.1 | 5.4 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 6.4 g | 9.4 g |
| Protection rating | IP57 | IP55 |
| Water resistance (IPx) | IPx7 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | OpenDots 2 Pink, OpenDots 2 Black, OpenDots 2 Grey, OpenDots 2 Pearl White | OpenFit 2+ Black, OpenFit 2+ Grey, OpenFit 2+ Purple |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |









