Side by side comparison and review of OPPO Enco W51 and Poly Savi 8240-M D2. 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 W51 | Poly Savi 8240-M D2 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Weight | 55.5 g | - | |
| Colour | White floral | Starry blue | - | |
| Protection | Dust-resistant, IP54, water-resistant | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | OPPO Enco W51 | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Active Noise Cancelling | Yes | - | OPPO Enco W51 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 103 dB | - | |
| Diaphragm | 7 mm | - |
| MICROPHONE | OPPO Enco W51 | Poly Savi 8240-M D2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Sensitivity | -38 dBV/Pascal | - |
| BATTERY AND CHARGING | OPPO Enco W51 | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 25 mAh | - | |
| Battery Life | 4 hour(s) | - | |
| Battery Life Details | Continuous playback (noise cancelling OFF / cable connection): up to 24 hours Continuous playback (noise cancelling ON / cable connection): up to 20 hours Continuous playback (noise cancelling OFF): up to 4 hours Continuous playback (noise cancelling ON): up to 3.5 hours |
- | |
| Included Qty | 2 | - |
| OTHERS | OPPO Enco W51 | Poly Savi 8240-M D2 |
|---|
| Included Accessories | Charging case (480 mAh) | - |
|---|
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