Side by side comparison and review of Huawei FreeBuds 3i and OPPO Enco W51. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Huawei FreeBuds 3i | OPPO Enco W51 |
|---|
| 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 | 55.5 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 | White floral | Starry blue | |
| 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 W51 |
|---|
| 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. |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 103 dB | |
| Diaphragm | 10 mm | 7 mm | Huawei FreeBuds 3i have a thicker diaphragm than OPPO Enco W51. |
| MICROPHONE | Huawei FreeBuds 3i | OPPO Enco W51 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Huawei FreeBuds 3i | OPPO Enco W51 |
|---|
| Controls | Answer/end, play/pause, ANC on/off | - |
|---|
| FEATURES | Huawei FreeBuds 3i | OPPO Enco W51 |
|---|
| Sensors | Touch sensor | - |
|---|
| BATTERY AND CHARGING | Huawei FreeBuds 3i | OPPO Enco W51 |
|---|
| 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 W51. |
| Battery Life | 3.5 hour(s) | 4 hour(s) | OPPO Enco W51 lasts longer on a single charge than the Huawei FreeBuds 3i. |
| Battery Life Details | Continuous playback: up to 3.5 hours Continuous talk: up to 2.5 hours |
Continuous playback (noise cancelling OFF / cable connection): up to 24 hours Continuous playback (noise cancelling ON / cable connection): up to 20 hours Continuous playback (noise cancelling OFF): up to 4 hours Continuous playback (noise cancelling ON): up to 3.5 hours |
|
| Charging Time | 1 hour(s) | - | |
| Auto On/Off | Yes | - | |
| Included Qty | - | 2 |
| OTHERS | Huawei FreeBuds 3i | OPPO Enco W51 |
|---|
| Included Accessories | Charging case, 4 ear tips (extra small, small, medium, large), USB-C charging cable | Charging case (480 mAh) |
|---|
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