True Wireless
OnePlus Buds Pro 4
84Great
$130
Full review dataOnePlus Buds Pro 4 vs OPPO Enco Free2: 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
OPPO Enco Free2
68Good
$94
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
OnePlus Buds Pro 4
Sound8.5
Noise cancelling8.0
Battery8.5
Calls7.5
Value9.0
OPPO Enco Free2
Sound6.5
Noise cancelling7.0
Battery5.5
Calls6.0
Value7.5
Specifications
| Spec | OnePlus Buds Pro 4 | OPPO Enco Free2 |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $130 | $94 |
| HearWiki score | 84 / 100 · Great | 68 / 100 · Good |
| Released | 2026 | 2019 |
| Audio | ||
| Driver | dual drivers; 11mm woofer + 6mm tweeter | 10 mm dynamic driver |
| Driver size | 11 mm | 10 mm |
| Drivers per side | 1 | 2 |
| Frequency response | 10Hz-40kHz | 20Hz-20kHz |
| Impedance | - | 32 Ω |
| Sensitivity | - | 103 dB/mW |
| Wireless | ||
| Bluetooth | 5.4 | 5.2 |
| Bluetooth version | - | 5.2 |
| Codecs | SBC, AAC, LHDC 5.0 | AAC, SBC |
| Multipoint pairing | Yes | No |
| Latency | 47 ms | 94 ms |
| Wireless range | 10 m | 10 m |
| Battery | ||
| Battery life | 13 h | 6.5 h |
| Battery life (ANC on) | 7 h | 4 h |
| Battery incl. case | 45 h | 30 h |
| Full charge time | 70 min | 90 min |
| Quick charge | 10 min = 11 hours playback | - |
| Wireless charging | Yes | No |
| Features | ||
| Active noise cancelling | Yes | Yes |
| ANC type | adaptive | hybrid |
| Transparency mode | Yes | Yes |
| Companion app | Yes | No |
| Custom EQ | Yes | No |
| Wear detection | Yes | Yes |
| Controls | touch | touch |
| Voice assistant | yes | Siri / Google Voice |
| Design | ||
| Weight | 4.73 g | 47.6 g |
| Case weight | 50.62 g | 38.8 g |
| Water resistance | IP55 | IP54 |
| USB-C | Yes | Yes |
| Model code | OnePlus Buds 4 | - |
| Calls | ||
| Microphones | 3 | 3 |
What reviewers said
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
OPPO Enco Free2
The OPPO Enco Free2 offer a well-rounded true-wireless package with adaptive noise cancellation, a comfortable design, and decent Dynaudio-tuned audio for their price point. They pack useful features like transparency mode and touch controls, though battery life and sound naturalness fall short of top-tier rivals. Overall, they're a solid budget-friendly choice for everyday listening, but not a standout for audiophiles.
- Pro:Effective adaptive noise cancellation for the price
- Pro:Comfortable, AirPods-style fit with IP54 water resistance
- Pro:Good feature set including transparency mode and touch controls
- Con:Battery life is underwhelming, especially with ANC on
- Con:No wireless charging or multipoint connectivity
- Con:Sound quality lacks naturalness and detail compared to pricier options
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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