True Wireless
OnePlus Buds Pro 4
84Great
$130
Full review dataOnePlus Buds Pro 4 vs Xiaomi Mi Air 2 Pro: 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
Xiaomi Mi Air 2 Pro
68Good
$108
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
Xiaomi Mi Air 2 Pro
Sound7.0
Noise cancelling6.0
Battery8.0
Calls6.5
Value7.5
Specifications
| Spec | OnePlus Buds Pro 4 | Xiaomi Mi Air 2 Pro |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $130 | $108 |
| HearWiki score | 84 / 100 · Great | 68 / 100 · Good |
| Released | 2026 | 2020 |
| Audio | ||
| Driver | dual drivers; 11mm woofer + 6mm tweeter | 12mm LCP dynamic driver |
| Driver size | 11 mm | 12 mm |
| Drivers per side | 1 | 2 |
| Frequency response | 10Hz-40kHz | 20Hz-20kHz |
| Impedance | - | 32 Ω |
| Wireless | ||
| Bluetooth | 5.4 | Bluetooth |
| Bluetooth version | - | 5.0 |
| Codecs | SBC, AAC, LHDC 5.0 | SBC, AAC, LHDC |
| Multipoint pairing | Yes | No |
| Latency | 47 ms | - |
| Wireless range | 10 m | 10 m |
| Battery | ||
| Battery life | 13 h | 7 h |
| Battery life (ANC on) | 7 h | 5 h |
| Battery incl. case | 45 h | 28 h |
| Full charge time | 70 min | 60 min |
| Quick charge | 10 min = 11 hours playback | 10 min = 2 h |
| Wireless charging | Yes | Yes |
| Features | ||
| Active noise cancelling | Yes | Yes |
| ANC type | adaptive | hybrid |
| Transparency mode | Yes | Yes |
| Companion app | Yes | Yes |
| Custom EQ | Yes | No |
| Wear detection | Yes | Yes |
| Controls | touch | touch |
| Voice assistant | yes | Yes |
| Design | ||
| Weight | 4.73 g | 6.5 g |
| Case weight | 50.62 g | - |
| Water resistance | IP55 | none |
| USB-C | Yes | Yes |
| Model code | OnePlus Buds 4 | Mi True Wireless Earphones 2 Pro |
| Calls | ||
| Microphones | 3 | 6 |
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
Xiaomi Mi Air 2 Pro
The Xiaomi Mi Air 2 Pro are true wireless earbuds that pack hybrid active noise cancellation, large 12mm drivers, and solid battery endurance into a reasonably priced package. They offer a comfortable fit, touch controls, and USB-C with wireless charging, though their noise canceling performance is merely average and they lack multipoint connectivity. Overall, they deliver good value for the price, but aren't a class-leading flagship option.
- Pro:Strong battery life with up to 30 hours total including case
- Pro:Hybrid ANC and transparency mode for versatile listening
- Pro:Comfortable fit with IPX4 water resistance
- Con:Noise cancellation is only average in real-world use
- Con:No multipoint connection for switching between devices
- Con:Limited codec support (AAC only)
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
Compare something else
Swap either side out, or start again from the picker.