True Wireless
EarFun Free Pro 2
68Good
$80
Full review dataEarFun Free Pro 2 vs OnePlus Buds Pro 4: which should you buy?
On aggregated review scores the OnePlus Buds Pro 4 comes out ahead with an HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: OnePlus Buds Pro 4 - Great overall at around $130.
True Wireless
OnePlus Buds Pro 4
84Great
$130
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
EarFun Free Pro 2
Sound7.0
Noise cancelling6.5
Battery5.5
Calls6.0
Value7.5
OnePlus Buds Pro 4
Sound8.5
Noise cancelling8.0
Battery8.5
Calls7.5
Value9.0
Specifications
| Spec | EarFun Free Pro 2 | OnePlus Buds Pro 4 |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $80 | $130 |
| HearWiki score | 68 / 100 · Good | 84 / 100 · Great |
| Released | 2021 | 2026 |
| Audio | ||
| Driver | dynamic | dual drivers; 11mm woofer + 6mm tweeter |
| Driver size | 10 mm | 11 mm |
| Drivers per side | 2 | 1 |
| Frequency response | 20Hz-40kHz | 10Hz-40kHz |
| Impedance | 32 Ω | - |
| Sensitivity | 110 dB/mW | - |
| Wireless | ||
| Bluetooth | 5.2 | 5.4 |
| Bluetooth version | 5.2 | - |
| Codecs | SBC, AAC | SBC, AAC, LHDC 5.0 |
| Multipoint pairing | No | Yes |
| Latency | 80 ms | 47 ms |
| Wireless range | 15 m | 10 m |
| Battery | ||
| Battery life | 6 h | 13 h |
| Battery life (ANC on) | 5 h | 7 h |
| Battery incl. case | 30 h | 45 h |
| Full charge time | 60 min | 70 min |
| Quick charge | 10 min = 2 h | 10 min = 11 hours playback |
| Wireless charging | Yes | Yes |
| Features | ||
| Active noise cancelling | Yes | Yes |
| ANC type | hybrid | adaptive |
| Transparency mode | Yes | Yes |
| Companion app | No | Yes |
| Custom EQ | No | Yes |
| Wear detection | No | Yes |
| Controls | touch | touch |
| Voice assistant | supported | yes |
| Design | ||
| Weight | 38 g | 4.73 g |
| Case weight | - | 50.62 g |
| Water resistance | IPX5 | IP55 |
| USB-C | Yes | Yes |
| Model code | - | OnePlus Buds 4 |
| Calls | ||
| Microphones | 6 | 3 |
What reviewers said
EarFun Free Pro 2
The EarFun Free Pro 2 are compact, lightweight true wireless earbuds that offer hybrid active noise cancellation and an energetic sound profile in an affordable package. They provide a total of about 30 hours of playback when including the charging case, plus IPX5 water resistance and wireless charging support. While they excel in comfort and portability, their tuning leans heavily on bass and treble, and the ANC is decent but not top-tier for the price.
- Pro:Very small and comfortable fit
- Pro:Energetic, lively sound signature
- Pro:Solid hybrid ANC for the price
- Con:Bass-heavy tuning may be too much for some
- Con:Slightly sharp treble can fatigue
- Con:ANC not as strong as pricier rivals
OnePlus Buds Pro 4
The OnePlus Buds Pro 4 are a well-rounded pair of true wireless earbuds that deliver impressive audio, adaptive noise cancellation, and strong battery life for their price. They're particularly suited for active lifestyles thanks to their IP55 rating and secure fit, with a feature set that includes multipoint, wireless charging, and customizable EQ. Overall, they offer excellent value and perform above their price point across most key areas.
- Pro:Rich dual-driver sound with LHDC support
- Pro:Effective adaptive ANC and transparency mode
- Pro:Long battery life with wireless charging case
- Con:Touch controls may require a learning curve
- Con:No official mention of wear detection
- Con:Slightly bulky case compared to rivals
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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