True Wireless
FIIL CC
68Good
$100
Full review dataFIIL CC 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.
FIIL CC
Sound7.0
Battery4.0
Calls7.5
Value6.5
OnePlus Buds Pro 4
Sound8.5
Noise cancelling8.0
Battery8.5
Calls7.5
Value9.0
Specifications
| Spec | FIIL CC | OnePlus Buds Pro 4 |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $100 | $130 |
| HearWiki score | 68 / 100 · Good | 84 / 100 · Great |
| Released | 2020 | 2026 |
| Audio | ||
| Driver | dynamic | dual drivers; 11mm woofer + 6mm tweeter |
| Driver size | 13.1 mm | 11 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 20Hz-20kHz | 10Hz-40kHz |
| Impedance | 28 Ω | - |
| Sensitivity | 96 dB/mW | - |
| Wireless | ||
| Bluetooth | 5.x | 5.4 |
| Bluetooth version | 5.0 | - |
| Codecs | SBC, AAC | SBC, AAC, LHDC 5.0 |
| Multipoint pairing | Yes | Yes |
| Latency | - | 47 ms |
| Wireless range | 10 m | 10 m |
| Battery | ||
| Battery life | 3.5 h | 13 h |
| Battery life (ANC on) | - | 7 h |
| Battery incl. case | 16 h | 45 h |
| Full charge time | 40 min | 70 min |
| Quick charge | - | 10 min = 11 hours playback |
| Wireless charging | No | Yes |
| Features | ||
| Active noise cancelling | - | Yes |
| ANC type | - | adaptive |
| Transparency mode | - | Yes |
| Companion app | - | Yes |
| Custom EQ | - | Yes |
| Wear detection | - | Yes |
| Controls | - | touch |
| Voice assistant | - | yes |
| Design | ||
| Weight | 40 g | 4.73 g |
| Case weight | - | 50.62 g |
| Water resistance | IPX4 | IP55 |
| USB-C | Yes | Yes |
| Model code | - | OnePlus Buds 4 |
| Calls | ||
| Microphones | 2 | 3 |
What reviewers said
FIIL CC
These half-in-ear wireless earbuds stand out with a sleek design, solid sound, and reliable call quality, though their standout feature is the comfortable fit. Active noise cancellation helps in noisy settings, but the modest battery life and minimal app support keep them from being a complete package. Overall, they're a good pick if you value style and voice clarity over endurance.
- Pro:Sleek, distinctive design
- Pro:Good sound and call quality
- Pro:Comfortable half-in-ear fit
- Con:Short battery life per charge
- Con:Limited companion app features
- Con:Battery case adds only modest extra charge
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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