Detailed comparison and review of Monster iSport Achieve 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 | Monster iSport Achieve | OPPO Enco W31 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 50 g | |
| Colour | Green | Blue | Black | Black | White | |
| Protection | Sweat-resistant | Dust-resistant, IP54, water-resistant | |
| Design | Sports | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Monster iSport Achieve | OPPO Enco W31 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Audio Codec | - | AAC | |
| Noise Isolating | Yes | - | Monster iSport Achieve are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 95 dB | |
| Diaphragm | - | Graphene - 7 mm | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Monster iSport Achieve | OPPO Enco W31 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Mono | - | |
| Noise Cancelling | - | Yes | OPPO Enco W31 microphone can cancel out ambient noise. |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Monster iSport Achieve | OPPO Enco W31 |
|---|
| Controls | Answer/end | Next/previous track, voice assistant |
|---|
| CABLE | Monster iSport Achieve | OPPO Enco W31 |
|---|
| Cable Type | Headphones cable - anti tangle | USB charge cable - detachable |
|---|
| FEATURES | Monster iSport Achieve | OPPO Enco W31 |
|---|
| Sensors | - | Touch sensor |
|---|
| BATTERY AND CHARGING | Monster iSport Achieve | 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) | Monster iSport Achieve 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) | |
| Included Qty | - | 2 |
| OTHERS | Monster iSport Achieve | OPPO Enco W31 |
|---|
| Included Accessories | Earhook, ear tips kit | Ear tips kit, USB charge cable, charging case (350 mAh) |
|---|
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