OPPO Enco Free 4
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At a glance
- Brand
- OPPO
- Type
- True Wireless
- Fit
- -
- Connection
- Wireless
- Noise cancelling
- Yes
- Released
- 2025
The OPPO Enco Free 4 are true wireless earbuds with 55dB ultra-deep active noise cancellation, dual-driver high-resolution audio, and up to 45 hours total playback with the charging case.
The HearWiki takeAI-condensed
The OPPO Enco Free 4 are true wireless earbuds offering adaptive active noise cancellation and a dual-driver hybrid setup for detailed sound. They provide up to 11 hours of playback per charge (6 with ANC) and a total of 45 hours with the case, along with IP55 water resistance and LHDC codec support. Touch controls and a transparency mode add convenience for daily use.
What works
- Adaptive ANC with strong noise reduction
- Dual-driver setup for clear, balanced audio
- Long total battery life of 45 hours with case
- IP55 rating for sweat and light water resistance
- Supports LHDC, AAC, and SBC codecs
What doesn't
- No multipoint connection for switching devices
- No wireless charging support
- Lacks custom EQ adjustments
- Only 6 hours of playback with ANC enabled
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
Specifications
| Driver | 2-driver hybrid |
|---|---|
| Driver type | hybrid |
| Drivers per side | 2 |
| Frequency response | 15 Hz - 40 kHz |
| Impedance | 32 Ω |
| Sensitivity | 118 dB/mW |
Audio
| Driver | 2-driver hybrid |
|---|---|
| Driver type | hybrid |
| Drivers per side | 2 |
| Frequency response | 15 Hz - 40 kHz |
| Impedance | 32 Ω |
| Sensitivity | 118 dB/mW |
Wireless
| Bluetooth | 5.4 |
|---|---|
| Codecs | SBC, AAC, LHDC |
| Multipoint pairing | No |
| Wireless range | 10 m |
Battery
| Battery life | 11 h |
|---|---|
| Battery life (ANC on) | 6 h |
| Battery incl. case | 45 h |
| Full charge time | 80 min |
| Quick charge | 10 min → 2 h |
| Wireless charging | No |
Features
| Active noise cancelling | Yes |
|---|---|
| ANC type | adaptive |
| Transparency mode | Yes |
| Companion app | Yes |
| Custom EQ | No |
| Wear detection | No |
| Controls | touch |
| Voice assistant | Yes |
Design
| Weight | 4.7 g |
|---|---|
| Case weight | 49 g |
| Water resistance | IP55 |
| USB-C | Yes |
Calls
| Microphones | 3 |
|---|---|
| Call noise reduction | Yes |
| Call NR technology | AI ENC |
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