EarFun Air Pro 4
Belkin SoundForm Nano 2
What Buyers Say
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
Belkin SoundForm Nano 2
These earbuds deliver solid battery life and a reasonable price point, with many parents appreciating the volume-limiting feature for kids. However, fit is a major sticking point — several reviewers note they are too large for small ears and struggle to stay in place, making the "kids" label misleading. Sound quality earns mixed marks: some find it excellent for the price, while others describe it as muffled or tinny.
Pros
- Long battery life
- Reasonable price
- Volume-limiting feature for kids
- Multiple ear tip sizes included
- Compact and portable design
Cons
- Too large for small ears
- Doesn't stay in place
- Misleading "kids" label
- Muffled or tinny sound quality
- Not ideal for young children
Scores
Specifications
| EarFun Air Pro 4 | Belkin SoundForm Nano 2 | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | true wireless |
| Ear Tips | 5 pairs of ear tips | Five Sizes |
| Weight | 0.05 kg★ | 0.08 kg |
| Audio | ||
| Driver Type | hybrid | dynamic |
| Driver Size | 10 mm★ | 6 mm |
| Drivers | 2★ | 1 |
| Freq Min | 20 Hz★ | — |
| Freq Max | 20 kHz★ | — |
| Impedance | 32 Ω | — |
| Sensitivity | 100 dB★ | — |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | aptX Lossless, LDAC, LC3 | — |
| Noise Control | ||
| ANC | ✓★ | ✗ |
| ANC Type | adaptive hybrid | — |
| Transparency | ✗ | ✗ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 6.0 | 5.3★ |
| Profiles | A2DP, AVRCP, HFP | — |
| Multipoint | ✓★ | ✗ |
| Wired Connector | Bluetooth | — |
| Earbud Battery | ||
| Battery Life | 11 hrs | 28 hrs★ |
| Charge Time | 2 hrs | 0.25 hrs★ |
| Fast Charging | 10 min for 2 hours playback | 10 Minutes for 1.5 Hours |
| Charging | USB-C | USB-C |
| Case Battery | ||
| Case Battery | 54 hrs★ | 20 hrs |
| Case Charging | USB-C | USB-C |
| Wireless Charging | ✓★ | ✗ |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 6★ | 1 |
| NC Mic | ✓★ | ✗ |
| Features | ||
| Voice Assistant | Google Assistant | — |
| Touch Controls | ✓ | ✓ |
| App | EarFun Audio App | Android & iOS |
| Volume Limiting | — | ✓★ |
| Gaming Mode | ✓★ | ✗ |
| Bone Conduction | ✗ | ✗ |
| Water Resistance | IP55 | IPX5 |
Pros & Cons
EarFun Air Pro 4
- Strong sound (99th percentile)99th %ile
- Strong connectivity (99th percentile)99th %ile
- Strong mic (98th percentile)98th %ile
- Strong user sentiment (97th percentile)97th %ile
Belkin SoundForm Nano 2
- Strong social proof (96th percentile)96th %ile
- Strong battery (94th percentile)94th %ile
- Strong build (91st percentile)91st %ile
- Strong comfort (90th percentile)90th %ile
- Below average anc (31st percentile)
Verdict
Scores 86 overall, wins 6 of 7 usage categories and 13 of 38 specs.