In depth comparison and review of Anker SoundBuds Curve and OPPO Enco W31. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Anker SoundBuds Curve | OPPO Enco W31 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 23 g | 50 g | Anker SoundBuds Curve are lighter than Anker SoundBuds Curve headphones. |
| Colour | - | Black | White | |
| Protection | Sweat-resistant, water-resistant | Dust-resistant, IP54, water-resistant | |
| Design | Sports | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Anker SoundBuds Curve | OPPO Enco W31 |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | OPPO Enco W31 have a more advanced version of Bluetooth than Anker SoundBuds Curve. |
| Bluetooth Audio Codec | aptX | AAC | |
| Active Noise Cancelling | Yes | - | Anker SoundBuds Curve 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 | - | 95 dB | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 10 mm | Graphene - 7 mm | Anker SoundBuds Curve have a thicker diaphragm than OPPO Enco W31. |
| MICROPHONE | Anker SoundBuds Curve | OPPO Enco W31 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Noise Cancelling Technology | cVc (clear Voice capture) by Qualcomm | - | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Anker SoundBuds Curve | OPPO Enco W31 |
|---|
| Controls | 3-button remote | Next/previous track, voice assistant |
|---|
| CABLE | Anker SoundBuds Curve | OPPO Enco W31 |
|---|
| Cable Type | - | USB charge cable - detachable |
|---|
| FEATURES | Anker SoundBuds Curve | OPPO Enco W31 |
|---|
| Sensors | - | Touch sensor |
|---|
| BATTERY AND CHARGING | Anker SoundBuds Curve | OPPO Enco W31 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 12.5 hour(s) | 3.5 hour(s) | Anker SoundBuds Curve lasts longer on a single charge than the OPPO Enco W31. |
| Battery Life Details | - | Continuous playback (with included charging case): up to 15 hours Continuous playback: up to 3.5 hours |
|
| Charging Time | 1.5 hours | 2.5 hour(s) | Anker SoundBuds Curve recharge faster than Anker SoundBuds Curve. |
| Included Qty | - | 2 |
| OTHERS | Anker SoundBuds Curve | OPPO Enco W31 |
|---|
| Included Accessories | Carrying pouch, 3 pairs of memory foam ear tips (small, medium, large) | Ear tips kit, USB charge cable, charging case (350 mAh) | |
|---|---|---|---|
| Service & Support | Limited warranty - 18 months | - |
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