In depth comparison and review of Erato RIO 3 and Poly Voyager 4210-M. 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 | Poly Voyager 4210-M |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Voyager 4200 series | |
| Height | 4.6 cm | - | |
| Width | 5.1 cm | - | |
| Depth | 3.4 cm | - | |
| Weight | 14 g | - | |
| Colour | Yellow | Black | Turquoise | Green | Red | Silver | - | |
| Protection | Sweat-resistant, IPX5, water-resistant | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Erato RIO 3 | Poly Voyager 4210-M |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.2 | - | |
| 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 | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 100 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 14.2 mm | - |
| MICROPHONE | Erato RIO 3 | Poly Voyager 4210-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Erato RIO 3 | Poly Voyager 4210-M |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode | - |
|---|
| BATTERY AND CHARGING | Erato RIO 3 | Poly Voyager 4210-M |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Capacity | 130 mAh | - | |
| Battery Life | 8 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 6 hours Continuous talk: up to 8 hours |
- | |
| Included Qty | 2 | - |
| CONNECTIONS | Erato RIO 3 | Poly Voyager 4210-M |
|---|
| Connector Type | - | USB (USB Type-C) |
|---|
| OTHERS | Erato RIO 3 | Poly Voyager 4210-M |
|---|
| Included Accessories | - | Charging stand, Bluetooth dongle | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams |
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