True Wireless
OPPO Air4i
Not yet scored
$14
Full review dataOPPO Air4i vs Soundcore P31i: which should you buy?
Specs, scores and condensed review verdicts for the OPPO Air4i vs Soundcore P31i, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
True Wireless
Soundcore P31i
76Great
$27
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
OPPO Air4i
No sub-scores yet - not enough rated reviews.
Soundcore P31i
Sound7.0
Noise cancelling6.5
Battery8.0
Calls6.0
Value8.5
Specifications
| Spec | OPPO Air4i | Soundcore P31i |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $14 | $27 |
| HearWiki score | Not scored | 76 / 100 · Great |
| Released | 2025 | 2025 |
| Audio | ||
| Driver | 12.4mm Dynamic Driver | 11 mm titanium-coated |
| Driver size | 12.4 mm | 11 mm |
| Drivers per side | - | 2 |
| Frequency response | 20Hz-20kHz | 20Hz-20kHz |
| Impedance | 32 Ω | 14.2 Ω |
| Sensitivity | 114 dB/mW | - |
| Wireless | ||
| Bluetooth | 5.4 | 5.x |
| Bluetooth version | - | 6.1 |
| Codecs | AAC, SBC | SBC, AAC, LDAC |
| Multipoint pairing | - | Yes |
| Wireless range | 10 m | - |
| Battery | ||
| Battery life | 12 h | 10 h |
| Battery life (ANC on) | - | 8 h |
| Battery incl. case | 54 h | 50 h |
| Full charge time | 120 min | 180 min |
| Quick charge | 10 min = 4 h | 10 min = 3.5 h |
| Wireless charging | - | No |
| Features | ||
| Active noise cancelling | - | Yes |
| ANC type | none | adaptive |
| Transparency mode | No | Yes |
| Companion app | Yes | Yes |
| Custom EQ | Yes | Yes |
| Wear detection | No | No |
| Controls | touch | touch |
| Voice assistant | AI assistant | yes |
| Design | ||
| Weight | 4.2 g | 59 g |
| Water resistance | IP55 | IP55 |
| USB-C | Yes | Yes |
| Model code | OPPO Enco Air4 | - |
| Calls | ||
| Microphones | 1 | 6 |
What reviewers said
OPPO Air4i
The OPPO Air4i are budget-friendly true wireless earbuds that surprisingly include active noise cancellation, a feature not commonly found at this price point. They pack a sizable 12.4mm driver for their class and offer a long battery life of 12 hours per charge, stretching to 54 hours with the case. While they lack some premium extras like wear detection and transparency mode, they do include touch controls, an app with a custom EQ, and quick charging that adds four hours from a ten-minute top-up.
- Pro:Very affordable for ANC earbuds
- Pro:Long battery life with the case
- Pro:IP55 water resistance for workouts
- Con:No transparency mode for ambient sound
- Con:No wear detection to auto-pause
- Con:Only single microphone per earbud
Soundcore P31i
The Soundcore P31i are budget-friendly true wireless earbuds that pack a surprisingly robust feature set, including adaptive noise cancellation, LDAC support, and multi-device connectivity. With a durable IP55 rating, long battery life, and a comfortable fit, they're a solid pick for workouts and daily commutes without breaking the bank.
- Pro:Effective adaptive ANC for the price
- Pro:Long battery life with charging case
- Pro:LDAC support for high-quality audio
- Con:No wireless charging support
- Con:Battery life drops noticeably with ANC on
- Con:Touch controls may require a learning curve
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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