Side by side comparison and review of Poly - Plantronics Backbeat FIT 3150 and OPPO Enco W31. 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 | Poly - Plantronics Backbeat FIT 3150 | OPPO Enco W31 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 26 g | 50 g | Poly - Plantronics Backbeat FIT 3150 are lighter than Poly - Plantronics Backbeat FIT 3150 headphones. |
| Dimensions & Weight Details | Earbud: 13 g Charging case: 89 g |
- | |
| Colour | Black, blue | Black | Black | White | |
| Protection | Waterproof, sweat-resistant, IP57 | Dust-resistant, IP54, water-resistant | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | 10 m | Poly - Plantronics Backbeat FIT 3150 have a greater operating distance than OPPO Enco W31. |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 3150 | 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 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 94 dB | 95 dB | OPPO Enco W31 have higher sensitivity than Poly - Plantronics Backbeat FIT 3150. |
| Diaphragm | 13.5 mm | Graphene - 7 mm | Poly - Plantronics Backbeat FIT 3150 have a thicker diaphragm than OPPO Enco W31. |
| MICROPHONE | Poly - Plantronics Backbeat FIT 3150 | 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 | Poly - Plantronics Backbeat FIT 3150 | OPPO Enco W31 |
|---|
| Controls | Mute, volume control, answer/end, play/pause, next/previous track, voice assistant | Next/previous track, voice assistant |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 3150 | OPPO Enco W31 |
|---|
| Cable Type | Micro-USB charge cable - detachable | USB charge cable - detachable |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 3150 | OPPO Enco W31 |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Sensors | - | Touch sensor |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 3150 | OPPO Enco W31 |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 90 mAh | 25 mAh | Poly - Plantronics Backbeat FIT 3150 have a higher battery capacity than OPPO Enco W31. |
| Battery Life | 8 hour(s) | 3.5 hour(s) | Poly - Plantronics Backbeat FIT 3150 lasts longer on a single charge than the OPPO Enco W31. |
| Battery Life Details | Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 24 hours |
Continuous playback (with included charging case): up to 15 hours Continuous playback: up to 3.5 hours |
|
| Charging Time | 2 hour(s) | 2.5 hour(s) | Poly - Plantronics Backbeat FIT 3150 recharge faster than Poly - Plantronics Backbeat FIT 3150. |
| Included Qty | 2 | 2 |
| OTHERS | Poly - Plantronics Backbeat FIT 3150 | OPPO Enco W31 |
|---|
| Included Accessories | USB charging cable, charging case (740 mAh) | Ear tips kit, USB charge cable, charging case (350 mAh) | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 1 year | - |
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