vs
4.6Noise control & calls9.3
6.6Battery3.6
Why is OpenDots Air better than E4 Pro?
- Battery life9 h vs 6 h+50%
- Driver size11.8 mm vs 10 mm+18%
Why is E4 Pro better than OpenDots Air?
- Active noise cancellingNo · OpenDots Air: Yes
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 11.8 mm | 10 mm |
| Lowest frequency | 100 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | — | 24 Ω |
| Sensitivity | — | 90 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Microphones | 4 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 9 h | 6 h |
| Total with charging case | 36 h | — |
| Charging time | 2 h | — |
| Quick charge (claimed) | 10 min → 2 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6.1 | 6 |
| Bluetooth codecs | AAC, SBC | 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 | ||
| Weight | — | 50 g |
| Earbud weight (each) | 6.3 g | — |
| Protection rating | IP55 | — |
| Water resistance (IPx) | IPx5 | — |
| Dust protection (IP) | 5 | — |
| Colours | Daybreak Purple, Black | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |







