Detailed comparison and review of Huawei FreeBuds 4i and OPPO Enco W31. 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 4i | OPPO Enco W31 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 3.75 cm | - | |
| Width | 2.1 cm | - | |
| Depth | 2.39 cm | - | |
| Weight | 5.5 g | 50 g | Huawei FreeBuds 4i are lighter than Huawei FreeBuds 4i headphones. |
| Dimensions & Weight Details | Charging case: 6.18 cm x 4.8 cm x 2.75 cm / 37 g | - | |
| Colour | Carbon black | Ceramic white | Red | Black | White | |
| Protection | - | Dust-resistant, IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Huawei FreeBuds 4i | OPPO Enco W31 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.0 | Huawei FreeBuds 4i have a more advanced version of Bluetooth than OPPO Enco W31. |
| Bluetooth Audio Codec | - | AAC | |
| Active Noise Cancelling | Yes | - | Huawei FreeBuds 4i are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 95 dB | |
| Max Sound Pressure | 22 dB | - | |
| Diaphragm | 10 mm | Graphene - 7 mm | Huawei FreeBuds 4i have a thicker diaphragm than OPPO Enco W31. |
| Features | Noise cancelling microphone, Awareness Mode | - |
| MICROPHONE | Huawei FreeBuds 4i | OPPO Enco W31 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | OPPO Enco W31 microphone can cancel out ambient noise. |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Huawei FreeBuds 4i | OPPO Enco W31 |
|---|
| Controls | Answer/end, play/pause, ANC on/off | Next/previous track, voice assistant |
|---|
| CABLE | Huawei FreeBuds 4i | OPPO Enco W31 |
|---|
| Cable Type | USB-C charge cable - detachable | USB charge cable - detachable |
|---|
| FEATURES | Huawei FreeBuds 4i | OPPO Enco W31 |
|---|
| Features | Touch control, fast charge | - | |
|---|---|---|---|
| Sensors | Touch sensor | Touch sensor |
| BATTERY AND CHARGING | Huawei FreeBuds 4i | OPPO Enco W31 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 25 mAh | Huawei FreeBuds 4i have a higher battery capacity than OPPO Enco W31. |
| Battery Life | 10 hour(s) | 3.5 hour(s) | Huawei FreeBuds 4i lasts longer on a single charge than the OPPO Enco W31. |
| Battery Life Details | Continuous playback: up to 10 hours Continuous talk: up to 65 hours |
Continuous playback (with included charging case): up to 15 hours Continuous playback: up to 3.5 hours |
|
| Charging Time | 1 hour(s) | 2.5 hour(s) | Huawei FreeBuds 4i recharge faster than Huawei FreeBuds 4i. |
| Auto On/Off | Yes | - | |
| Included Qty | 2 | 2 |
| OTHERS | Huawei FreeBuds 4i | OPPO Enco W31 |
|---|
| Included Accessories | Charging case, 3 ear tips (small, medium, large), USB-C charging cable | Ear tips kit, USB charge cable, charging case (350 mAh) | |
|---|---|---|---|
| Compatibility | Android phone | - |
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