In depth comparison and review of Erato RIO 3 and Huawei FreeBuds 4i. 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 | Huawei FreeBuds 4i |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 4.6 cm | 3.75 cm | |
| Width | 5.1 cm | 2.1 cm | |
| Depth | 3.4 cm | 2.39 cm | |
| Weight | 14 g | 5.5 g | Huawei FreeBuds 4i are lighter than Erato RIO 3 headphones. |
| Dimensions & Weight Details | - | Charging case: 6.18 cm x 4.8 cm x 2.75 cm / 37 g | |
| Colour | Yellow | Black | Turquoise | Green | Red | Silver | Carbon black | Ceramic white | Red | |
| Protection | Sweat-resistant, IPX5, water-resistant | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Erato RIO 3 | Huawei FreeBuds 4i |
|---|
| 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 | Huawei FreeBuds 4i 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 | - | |
| Active Noise Cancelling | - | Yes | Huawei FreeBuds 4i are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 100 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 22 dB | |
| Diaphragm | 14.2 mm | 10 mm | Erato RIO 3 have a thicker diaphragm than Huawei FreeBuds 4i. |
| Features | - | Noise cancelling microphone, Awareness Mode |
| MICROPHONE | Erato RIO 3 | Huawei FreeBuds 4i |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -38 dB | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Erato RIO 3 | Huawei FreeBuds 4i |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode | Answer/end, play/pause, ANC on/off |
|---|
| CABLE | Erato RIO 3 | Huawei FreeBuds 4i |
|---|
| Cable Type | - | USB-C charge cable - detachable |
|---|
| FEATURES | Erato RIO 3 | Huawei FreeBuds 4i |
|---|
| Features | - | Touch control, fast charge | |
|---|---|---|---|
| Sensors | - | Touch sensor |
| BATTERY AND CHARGING | Erato RIO 3 | Huawei FreeBuds 4i |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 130 mAh | 55 mAh | Erato RIO 3 have a higher battery capacity than Huawei FreeBuds 4i. |
| Battery Life | 8 hour(s) | 10 hour(s) | Huawei FreeBuds 4i lasts longer on a single charge than the Erato RIO 3. |
| Battery Life Details | Continuous playback: up to 6 hours Continuous talk: up to 8 hours |
Continuous playback: up to 10 hours Continuous talk: up to 65 hours |
|
| Charging Time | - | 1 hour(s) | |
| Auto On/Off | - | Yes | |
| Included Qty | 2 | 2 |
| OTHERS | Erato RIO 3 | Huawei FreeBuds 4i |
|---|
| Included Accessories | - | Charging case, 3 ear tips (small, medium, large), USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | Android phone |
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