Detailed comparison and review of Huawei FreeBuds 4 and OPPO Enco Air 2 Pro. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Huawei FreeBuds 4 | OPPO Enco Air 2 Pro |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Charging case: 5.8 cm x 5.8 cm x 2.12 cm / 38 g Earbud: 1.68 cm x 1.85 cm x 4.14 cm / 4.1 g |
Earphone: 4.3 g Charging case: 6.684 cm x 2.504 cm x 5.145 cm / 41.8 g Charging case with earphones: 50.4 g |
|
| Colour | Ceramic white | Silver frost | White | |
| Protection | Splashproof, dust-resistant, water-resistant | Dust-resistant, IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m | |
| High-Resolution Audio | Yes | - |
| SOUND QUALITY | Huawei FreeBuds 4 | OPPO Enco Air 2 Pro |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.2 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC | SBC, AAC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 110.5 dB +/- 3dB | |
| Diaphragm | 14.3 mm | Titanium composite - 12.4 mm | Huawei FreeBuds 4 have a thicker diaphragm than OPPO Enco Air 2 Pro. |
| MICROPHONE | Huawei FreeBuds 4 | OPPO Enco Air 2 Pro |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Noise Cancelling Technology | - | Environmental Noise Cancellation (ENC) | |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Huawei FreeBuds 4 | OPPO Enco Air 2 Pro |
|---|
| Controls | Swipe control | - |
|---|
| FEATURES | Huawei FreeBuds 4 | OPPO Enco Air 2 Pro |
|---|
| Features | - | Touch control, noise reduction | |
|---|---|---|---|
| Sensors | Wear sensor | - | |
| Additional Functions | - | Transparency mode |
| BATTERY AND CHARGING | Huawei FreeBuds 4 | OPPO Enco Air 2 Pro |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | 2 x headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 30 mAh | 43 mAh | OPPO Enco Air 2 Pro have a higher battery capacity than Huawei FreeBuds 4. |
| Battery Life | 4 hour(s) | - | |
| Battery Life Details | Continuous playback (active noise-cancelling off): up to 4 hours Continuous playback (active noise-cancelling on): up to 2.7 hours Continuous playback (active noise-cancelling off) (with included charging case): up to 22 hours Continuous playback (active noise-cancelling on) (with included charging case): up to 14 hours Continuous talk (active noise-cancelling off): up to 2.3 hours Continuous talk (active noise-cancelling on): up to 2 hours |
Continuous playback (noise cancelling OFF): up to 7 hours Continuous playback (noise cancelling OFF / with included charging case): up to 28 hours Continuous playback (noise cancelling ON): up to 5 hours Continuous playback (noise cancelling ON / with included charging case): up to 20 hours |
|
| Charging Time | 1 hour(s) | 90 min | Huawei FreeBuds 4 recharge faster than Huawei FreeBuds 4. |
| Included Qty | - | 2 |
| OTHERS | Huawei FreeBuds 4 | OPPO Enco Air 2 Pro |
|---|
| Included Accessories | USB-C charging cable, charging case (410 mAh) | Charging case (440 mAh) | |
|---|---|---|---|
| Compliant Standards | RoHS, halogen-free, IPX4 | IP54 | |
| Service & Support | - | Limited warranty - 1 year |
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