In depth comparison and review of Erato RIO 3 and JBL Free II. 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 | JBL Free II |
|---|
| 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 | 4.8 g | JBL Free II are lighter than Erato RIO 3 headphones. |
| Dimensions & Weight Details | - | Earphone: 4.8 g Charging case: 52 g |
|
| Colour | Yellow | Black | Turquoise | Green | Red | Silver | Black | White | |
| Protection | Sweat-resistant, IPX5, water-resistant | Splashproof, IPX4 | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Erato RIO 3 | JBL Free II |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | JBL Free II 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) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC, aptX | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 100 dB | 100 dB | Both headphones offer the same sensitivity. |
| Impedance | 32 Ohm | 16 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | 14.2 mm | 5.6 mm | Erato RIO 3 have a thicker diaphragm than JBL Free II. |
| MICROPHONE | Erato RIO 3 | JBL Free II |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -38 dB | -38 dBV/Pascal |
| REMOTE CONTROL | Erato RIO 3 | JBL Free II |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode | - |
|---|
| CABLE | Erato RIO 3 | JBL Free II |
|---|
| Cable Type | - | USB-C charge cable |
|---|
| FEATURES | Erato RIO 3 | JBL Free II |
|---|
| Features | - | Touch control |
|---|
| BATTERY AND CHARGING | Erato RIO 3 | JBL Free II |
|---|
| Battery Type | Headphone battery rechargeable | 2 x headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 130 mAh | 55 mAh | Erato RIO 3 have a higher battery capacity than JBL Free II. |
| Battery Life | 8 hour(s) | 6 hour(s) | Erato RIO 3 lasts longer on a single charge than the JBL Free II. |
| Battery Life Details | Continuous playback: up to 6 hours Continuous talk: up to 8 hours |
(with included charging case): up to 24 hours | |
| Charging Time | - | 2 hour(s) | |
| Included Qty | 2 | 2 |
| OTHERS | Erato RIO 3 | JBL Free II |
|---|
| Included Accessories | - | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) |
|---|
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