OPPO Air4i
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At a glance
- Brand
- OPPO
- Type
- True Wireless
- Fit
- -
- Connection
- Wireless
- Noise cancelling
- No
- Released
- 2025
The OPPO Enco Air4 are true wireless earbuds with active noise cancellation, featuring a 12.4mm dynamic driver and Bluetooth 5.4. They offer up to 12 hours of playback on a single charge with ANC off, and 8 hours with ANC on.
The HearWiki takeAI-condensed
The OPPO Air4i are budget-friendly true wireless earbuds that prioritize long battery life and comfort over noise cancellation. With a 12.4mm dynamic driver and Bluetooth 5.4, they deliver solid wireless performance for everyday listening, while IP55 water resistance adds durability for workouts or light rain.
What works
- Long 12-hour single charge battery life, 54 hours with case
- Lightweight design at just 4.2g per earbud for all-day comfort
- IP55 water and dust resistance for active use
- Bluetooth 5.4 for stable wireless connection
- Touch controls and custom EQ via app support
What doesn't
- No active noise cancellation, so ambient sounds remain audible
- Only supports SBC and AAC codecs, no aptX or LDAC
- Single microphone may limit call clarity in noisy environments
- No transparency mode for hearing surroundings without removing earbuds
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
Specifications
| Driver | 12.4 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 12.4 mm |
| Frequency response | 20 Hz - 20 kHz |
| Impedance | 32 Ω |
| Sensitivity | 114 dB/mW |
Audio
| Driver | 12.4 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 12.4 mm |
| Frequency response | 20 Hz - 20 kHz |
| Impedance | 32 Ω |
| Sensitivity | 114 dB/mW |
Wireless
| Bluetooth | 5.4 |
|---|---|
| Codecs | SBC, AAC |
| Wireless range | 10 m |
Battery
| Battery life | 12 h |
|---|---|
| Battery incl. case | 54 h |
| Full charge time | 120 min |
| Quick charge | 10 min → 4 h |
Features
| Active noise cancelling | No |
|---|---|
| ANC type | none |
| Transparency mode | No |
| Companion app | Yes |
| Custom EQ | Yes |
| Wear detection | No |
| Controls | touch |
| Voice assistant | Yes |
Design
| Weight | 4.2 g |
|---|---|
| Water resistance | IP55 |
| USB-C | Yes |
| Model code | OPPO Enco Air4 |
Calls
| Microphones | 1 |
|---|
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