Detailed comparison and review of JVC HA FX103BT 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 | JVC HA FX103BT | OPPO Enco W31 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 15 g | 50 g | JVC HA FX103BT are lighter than JVC HA FX103BT headphones. |
| Colour | - | Black | White | |
| Protection | - | Dust-resistant, IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | JVC HA FX103BT | OPPO Enco W31 |
|---|
| Headphones Form Factor | In-ear | 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 JVC HA FX103BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC | AAC | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 95 dB | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 8.5 mm | Graphene - 7 mm | JVC HA FX103BT have a thicker diaphragm than OPPO Enco W31. |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA FX103BT | 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 | JVC HA FX103BT | OPPO Enco W31 |
|---|
| Controls | Volume, power on/off, 3-button remote | Next/previous track, voice assistant |
|---|
| CABLE | JVC HA FX103BT | OPPO Enco W31 |
|---|
| Cable Type | Charging cable - detachable | USB charge cable - detachable |
|---|
| FEATURES | JVC HA FX103BT | OPPO Enco W31 |
|---|
| Sensors | - | Touch sensor |
|---|
| BATTERY AND CHARGING | JVC HA FX103BT | OPPO Enco W31 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 5 hour(s) | 3.5 hour(s) | JVC HA FX103BT 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 | 2.5 hour(s) | 2.5 hour(s) | The charging of both headphones last the same time. |
| Included Qty | 1 | 2 |
| CONNECTIONS | JVC HA FX103BT | OPPO Enco W31 |
|---|
| Connector Type | Bluetooth USB (power only) (micro-USB) |
- |
|---|
| OTHERS | JVC HA FX103BT | OPPO Enco W31 |
|---|
| Included Accessories | Carrying case, 3 pairs of silicone ear tips (small, medium, large) | Ear tips kit, USB charge cable, charging case (350 mAh) | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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