Detailed comparison and review of Huawei FreeBuds 3i 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 3i | OPPO Enco W31 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 4.18 cm | - | |
| Width | 1.98 cm | - | |
| Depth | 2.37 cm | - | |
| Weight | 5.5 g | 50 g | Huawei FreeBuds 3i are lighter than Huawei FreeBuds 3i headphones. |
| Dimensions & Weight Details | Charging case: 8.07 cm x 3.54 cm x 2.92 cm / 51 g | - | |
| Colour | Carbon black | Ceramic white | Black | White | |
| Protection | - | Dust-resistant, IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Huawei FreeBuds 3i | 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 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Audio Codec | - | AAC | |
| Active Noise Cancelling | Yes | - | Huawei FreeBuds 3i are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 95 dB | |
| Diaphragm | 10 mm | Graphene - 7 mm | Huawei FreeBuds 3i have a thicker diaphragm than OPPO Enco W31. |
| MICROPHONE | Huawei FreeBuds 3i | 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 |
| REMOTE CONTROL | Huawei FreeBuds 3i | OPPO Enco W31 |
|---|
| Controls | Answer/end, play/pause, ANC on/off | Next/previous track, voice assistant |
|---|
| CABLE | Huawei FreeBuds 3i | OPPO Enco W31 |
|---|
| Cable Type | - | USB charge cable - detachable |
|---|
| FEATURES | Huawei FreeBuds 3i | OPPO Enco W31 |
|---|
| Sensors | Touch sensor | Touch sensor |
|---|
| BATTERY AND CHARGING | Huawei FreeBuds 3i | OPPO Enco W31 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 37 mAh | 25 mAh | Huawei FreeBuds 3i have a higher battery capacity than OPPO Enco W31. |
| Battery Life | 3.5 hour(s) | 3.5 hour(s) | Both headphones last the same amount of time on a single charge. |
| Battery Life Details | Continuous playback: up to 3.5 hours Continuous talk: up to 2.5 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 3i recharge faster than Huawei FreeBuds 3i. |
| Auto On/Off | Yes | - | |
| Included Qty | - | 2 |
| OTHERS | Huawei FreeBuds 3i | OPPO Enco W31 |
|---|
| Included Accessories | Charging case, 4 ear tips (extra small, small, medium, large), USB-C charging cable | Ear tips kit, USB charge cable, charging case (350 mAh) |
|---|
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