viaim OpenNote
EarFun Air Pro 4+
What Buyers Say
viaim OpenNote
The product receives mostly positive feedback for its premium packaging, comfortable open-ear design, and useful AI recording and transcription features. However, a significant verified negative review highlights severe reliability issues, including spontaneous recording stops, garbled audio, poor transcriptions, and privacy concerns. The mixed sentiment is driven by a small sample size, with the negative review carrying substantial weight due to its detailed complaints.
Pros
- Premium packaging
- Comfortable open-ear design
- Accurate AI transcription and summaries
- Good sound quality
- Easy setup and pairing
Cons
- Unreliable recording stops without notification
- Garbled audio in recordings
- Poor transcription accuracy
- Spontaneous earpiece shutdown during calls
- Incorrect file timestamps and titles
EarFun Air Pro 4+
The EarFun Air Pro 4 earbuds deliver exceptional value, with users praising their high-end sound quality, effective noise cancellation, and robust battery life. Many reviewers note they outperform far more expensive competitors like AirPods Pro and Sony XM4s, especially after customizing the EQ via the app. A few minor issues include occasional fit adjustments and a quirk with single-bud Bluetooth connectivity, but overall sentiment is overwhelmingly positive.
Pros
- Excellent sound quality with LDAC and aptX Lossless
- Effective active noise cancellation
- Long battery life (11 hours per charge)
- Great value for money
- Comfortable and secure fit
Cons
- Single-bud Bluetooth connectivity quirk
- Occasional fit adjustments needed
- LDAC disables multipoint pairing
- Le Audio not working for some users
Scores
Specifications
| viaim OpenNote | EarFun Air Pro 4+ | |
|---|---|---|
| Design | ||
| Form Factor | open-ear | in-ear |
| Wearing Style | ear-hook | true wireless |
| Ear Tips | — | s |
| Weight | 0.07 kg | 0.05 kg★ |
| Audio | ||
| Driver Type | dynamic | hybrid |
| Driver Size | 18 mm★ | 10 mm |
| Drivers | — | 2★ |
| Freq Min | — | 20 Hz★ |
| Freq Max | — | 40 kHz★ |
| Impedance | — | 32 Ω |
| Sensitivity | — | 100 dB★ |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | SBC, AAC, LHDC | aptX Lossless, LDAC, LE Audio, LC3 |
| Noise Control | ||
| ANC | ✓ | ✓ |
| ANC Type | — | adaptive hybrid |
| Transparency | — | ✓★ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.3★ | 6.0 |
| Profiles | — | A2DP, AVRCP, HFP |
| Multipoint | ✓ | ✓ |
| Wired Connector | Bluetooth 5 | Bluetooth |
| Earbud Battery | ||
| Battery Life | 19 hrs★ | 12 hrs |
| Charge Time | — | 2 hrs★ |
| Fast Charging | 10 min for 1 hour playback | 10 min for 2 hours playback |
| Charging | USB-C | USB-C |
| Case Battery | ||
| Case Battery | 53 hrs | 54 hrs★ |
| Case Charging | USB-C | USB-C |
| Wireless Charging | ✗ | ✓★ |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 4 | 6★ |
| NC Mic | ✓ | ✓ |
| Features | ||
| Voice Assistant | Voice Control 2.0 | Google Assistant |
| Touch Controls | ✓ | ✓ |
| App | viaim AI | EarFun Audio App |
| Gaming Mode | ✗ | ✓★ |
| Bone Conduction | ✗ | ✗ |
| Water Resistance | IPX4 | IP55 |
Pros & Cons
viaim OpenNote
- Strong connectivity (98th percentile)98th %ile
- Strong battery (97th percentile)97th %ile
- Strong sound (96th percentile)96th %ile
- Strong mic (92nd percentile)92nd %ile
- Below average user sentiment (23rd percentile)
EarFun Air Pro 4+
- Strong sound (100th percentile)100th %ile
- Strong connectivity (99th percentile)99th %ile
- Strong mic (97th percentile)97th %ile
- Strong anc (97th percentile)97th %ile
Verdict
Scores 88 overall, wins 7 of 7 usage categories and 11 of 37 specs.