In depth comparison and review of Jabra HALO FREE and OPPO Enco W51. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Jabra HALO FREE | OPPO Enco W51 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 3.23 cm | - | |
| Width | 1.5 cm | - | |
| Depth | 2.53 cm | - | |
| Weight | 17 g | 55.5 g | Jabra HALO FREE are lighter than Jabra HALO FREE headphones. |
| Colour | White | White floral | Starry blue | |
| Body Material | Polycarbonate, polypropylene, silicone rubber, TPE | - | |
| Protection | Dust-resistant, water-resistant | Dust-resistant, IP54, water-resistant | |
| 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 | Jabra HALO FREE | OPPO Enco W51 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | OPPO Enco W51 have a more advanced version of Bluetooth than Jabra HALO FREE. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | - | Yes | OPPO Enco W51 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Jabra HALO FREE are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 10 mW | - | |
| Sensitivity | 94 dB | 103 dB | OPPO Enco W51 have higher sensitivity than Jabra HALO FREE. |
| Impedance | 16 Ohm | - | |
| Diaphragm | 8 mm | 7 mm | Jabra HALO FREE have a thicker diaphragm than OPPO Enco W51. |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | - | Jabra HALO FREE have the ability to connect to multiple devices simultaneously. |
| Features | Voice guidance | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Jabra HALO FREE | OPPO Enco W51 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Frequency Response | 70 - 15000 Hz | - | |
| Sensitivity | -42 dB | -38 dBV/Pascal |
| REMOTE CONTROL | Jabra HALO FREE | OPPO Enco W51 |
|---|
| Controls | Mute, volume control, answer/end, play/pause, next/previous track, reject call | - |
|---|
| CABLE | Jabra HALO FREE | OPPO Enco W51 |
|---|
| Cable Type | USB charge cable - detachable | - |
|---|
| FEATURES | Jabra HALO FREE | OPPO Enco W51 |
|---|
| Intelligent Assistant | Siri, Google Now | - |
|---|
| BATTERY AND CHARGING | Jabra HALO FREE | OPPO Enco W51 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 5 hour(s) | 4 hour(s) | Jabra HALO FREE lasts longer on a single charge than the OPPO Enco W51. |
| 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 |
|
| Standby Time | 336 hours | - | |
| Charging Time | 2 hour(s) | - | |
| Included Qty | - | 2 |
| WIRELESS LINK | Jabra HALO FREE | OPPO Enco W51 |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Jabra HALO FREE | OPPO Enco W51 |
|---|
| Connector Type | USB 2.0 (5 pin Micro-USB Type B) | - |
|---|
| OTHERS | Jabra HALO FREE | OPPO Enco W51 |
|---|
| Included Accessories | Earhook, 3 pairs of EarGels, 2 pairs of EarWings | Charging case (480 mAh) | |
|---|---|---|---|
| Compliant Standards | IC, FCC, RoHS, KCC, TELEC, REACH, IP54, SRRC, EAC, NCC | - | |
| Service & Support | Limited warranty - 1 year | - |
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