True Wireless
KZ Krio
68Good
$100
Full review dataKZ Krio 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.
KZ Krio
Sound7.0
Noise cancelling6.5
Battery7.5
Calls6.0
Value7.0
OnePlus Buds Pro 4
Sound8.5
Noise cancelling8.0
Battery8.5
Calls7.5
Value9.0
Specifications
| Spec | KZ Krio | OnePlus Buds Pro 4 |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $100 | $130 |
| HearWiki score | 68 / 100 · Good | 84 / 100 · Great |
| Released | 2024 | 2026 |
| Audio | ||
| Driver | Super-Linear High-Sensitivity Inner Magnet Driver | dual drivers; 11mm woofer + 6mm tweeter |
| Driver size | 10 mm | 11 mm |
| Drivers per side | 2 | 1 |
| Frequency response | 20Hz-20kHz | 10Hz-40kHz |
| Wireless | ||
| Bluetooth | 5.3 | 5.4 |
| Bluetooth version | 5.3 | - |
| Codecs | SBC, AAC, APTX, APTX adaptive, LDAC | SBC, AAC, LHDC 5.0 |
| Multipoint pairing | Yes | Yes |
| Latency | 55 ms | 47 ms |
| Wireless range | 15 m | 10 m |
| Battery | ||
| Battery life | 8 h | 13 h |
| Battery life (ANC on) | - | 7 h |
| Battery incl. case | 32 h | 45 h |
| Full charge time | - | 70 min |
| Quick charge | 10 min = 2 h | 10 min = 11 hours playback |
| Wireless charging | - | Yes |
| Features | ||
| Active noise cancelling | Yes | Yes |
| ANC type | hybrid | adaptive |
| Transparency mode | No | Yes |
| Companion app | Yes | Yes |
| Custom EQ | No | Yes |
| Wear detection | No | Yes |
| Controls | buttons | touch |
| Voice assistant | - | yes |
| Design | ||
| Weight | 110 g | 4.73 g |
| Case weight | - | 50.62 g |
| Water resistance | IPX4 | IP55 |
| Foldable | No | - |
| Detachable cable | No | - |
| USB-C | Yes | Yes |
| Model code | - | OnePlus Buds 4 |
| Calls | ||
| Microphones | 6 | 3 |
| Call noise reduction | CVC omnidirectional call noise cancellation | - |
What reviewers said
KZ Krio
The KZ Krio is a feature-packed true wireless earbud that delivers solid sound and hybrid ANC for around $100. It offers a long total battery life of 32 hours with the case, supports high-quality codecs like LDAC and aptX Adaptive, and includes multipoint Bluetooth 5.3. While it lacks a transparency mode and custom EQ, its low latency and dual-driver setup make it a strong value for gamers and everyday listeners.
- Pro:Hybrid ANC with good noise reduction
- Pro:Supports LDAC and aptX Adaptive codecs
- Pro:Long 32-hour total battery with case
- Con:No transparency mode for ambient sound
- Con:No custom EQ in the app
- Con:Bulky 110g case may not be pocket-friendly
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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