In depth comparison and review of Erato RIO 3 and OPPO Enco Buds 2. 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 | Erato RIO 3 | OPPO Enco Buds 2 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 4.6 cm | - | |
| Width | 5.1 cm | - | |
| Depth | 3.4 cm | - | |
| Weight | 14 g | - | |
| Dimensions & Weight Details | - | Earphone: 4 g Charging case: 5.7 cm x 5.7 cm x 2.56 cm / 30 g Charging case with earphones: 38 g |
|
| Colour | Yellow | Black | Turquoise | Green | Red | Silver | Moonlight | |
| Protection | Sweat-resistant, IPX5, water-resistant | IPX4 | |
| 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 | Erato RIO 3 | OPPO Enco Buds 2 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.2 | OPPO Enco Buds 2 have a more advanced version of Bluetooth than Erato RIO 3. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC | |
| Active Noise Cancelling | - | Yes | OPPO Enco Buds 2 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 100 dB | 101 dB | OPPO Enco Buds 2 have higher sensitivity than Erato RIO 3. |
| Impedance | 32 Ohm | - | |
| Diaphragm | 14.2 mm | - |
| MICROPHONE | Erato RIO 3 | OPPO Enco Buds 2 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | OPPO Enco Buds 2 microphone can cancel out ambient noise. |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Erato RIO 3 | OPPO Enco Buds 2 |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode | - |
|---|
| FEATURES | Erato RIO 3 | OPPO Enco Buds 2 |
|---|
| Features | - | Touch control, noise reduction |
|---|
| BATTERY AND CHARGING | Erato RIO 3 | OPPO Enco Buds 2 |
|---|
| Battery Type | Headphone battery rechargeable | 2 x headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 130 mAh | 40 mAh | Erato RIO 3 have a higher battery capacity than OPPO Enco Buds 2. |
| Battery Life | 8 hour(s) | 7 hours | Erato RIO 3 lasts longer on a single charge than the OPPO Enco Buds 2. |
| Battery Life Details | Continuous playback: up to 6 hours Continuous talk: up to 8 hours |
Continuous playback (noise cancelling OFF): up to 7 hours Continuous playback (noise cancelling OFF / with included charging case): up to 28 hours |
|
| Charging Time | - | 90 min | |
| Included Qty | 2 | 2 |
| OTHERS | Erato RIO 3 | OPPO Enco Buds 2 |
|---|
| Included Accessories | - | Charging case (460 mAh) | |
|---|---|---|---|
| Compliant Standards | - | IPX4 |
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