Side by side comparison and review of OPPO Enco W31 and JVC HA A3T. 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 | OPPO Enco W31 | JVC HA A3T |
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Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
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Weight | 50 g | 4.1 g | JVC HA A3T are lighter than OPPO Enco W31 headphones. |
Dimensions & Weight Details | - | Charging case with earphones: 39 g Earphone: 4.1 g |
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Colour | Black | White | Black | White | |
Protection | Dust-resistant, IP54, water-resistant | Sweat-resistant, rainproof | |
Recommended Use | Portable electronics | Portable electronics | |
Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
SOUND QUALITY | OPPO Enco W31 | JVC HA A3T |
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Headphones Form Factor | In-ear | Ear-bud | |
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Headphones Technology | Dynamic | - | |
Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.1 | JVC HA A3T have a more advanced version of Bluetooth than OPPO Enco W31. |
Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
Bluetooth Audio Codec | AAC | SBC | |
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 | Graphene - 7 mm | 11 mm | JVC HA A3T have a thicker diaphragm than OPPO Enco W31. |
Magnet Material | - | Neodymium |
MICROPHONE | OPPO Enco W31 | JVC HA A3T |
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Form Factor | Built-in | Built-in | |
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Noise Cancelling | Yes | - | OPPO Enco W31 microphone can cancel out ambient noise. |
Sensitivity | -38 dBV/Pascal | - |
REMOTE CONTROL | OPPO Enco W31 | JVC HA A3T |
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Controls | Next/previous track, voice assistant | Voice assistant |
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CABLE | OPPO Enco W31 | JVC HA A3T |
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Cable Type | USB charge cable - detachable | USB-C charge cable - detachable |
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FEATURES | OPPO Enco W31 | JVC HA A3T |
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Features | - | Touch control | |
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Sensors | Touch sensor | - |
BATTERY AND CHARGING | OPPO Enco W31 | JVC HA A3T |
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Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
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Battery Capacity | 25 mAh | - | |
Battery Life | 3.5 hour(s) | 7.5 hour(s) | JVC HA A3T 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 |
Continuous playback (with included charging case): up to 22 hour(s) | |
Charging Time | 2.5 hour(s) | 2 hour(s) | JVC HA A3T recharge faster than OPPO Enco W31. |
Included Qty | 2 | - |
CONNECTIONS | OPPO Enco W31 | JVC HA A3T |
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Connector Type | - | USB-C (power only) |
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OTHERS | OPPO Enco W31 | JVC HA A3T |
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Included Accessories | Ear tips kit, USB charge cable, charging case (350 mAh) | Charging case, USB-C charging cable | |
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Compliant Standards | - | IPX4 | |
Service & Support | - | 2-year warranty |