In depth comparison and review of Poly - Plantronics Backbeat FIT 305 and Erato RIO 3. 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 | Poly - Plantronics Backbeat FIT 305 | Erato RIO 3 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 4.6 cm | |
| Width | - | 5.1 cm | |
| Depth | - | 3.4 cm | |
| Weight | 14 g | 14 g | Both headphones are equally heavy. |
| Colour | Black | Dark blue | Coral | Lime green | Yellow | Black | Turquoise | Green | Red | Silver | |
| Protection | Sweat-resistant | Sweat-resistant, IPX5, water-resistant | |
| Design | Sports | - | |
| 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 | Poly - Plantronics Backbeat FIT 305 | Erato RIO 3 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.2 | Erato RIO 3 have a more advanced version of Bluetooth than Poly - Plantronics Backbeat FIT 305. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | 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 | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 106 dB | 100 dB | Poly - Plantronics Backbeat FIT 305 have higher sensitivity than Erato RIO 3. |
| Impedance | 16 Ohm | 32 Ohm | |
| Diaphragm | 6 mm | 14.2 mm | Erato RIO 3 have a thicker diaphragm than Poly - Plantronics Backbeat FIT 305. |
| MICROPHONE | Poly - Plantronics Backbeat FIT 305 | Erato RIO 3 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | - | Omni-directional | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 305 | Erato RIO 3 |
|---|
| Controls | Answer/end, play/pause, next/previous track | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 305 | Erato RIO 3 |
|---|
| Cable Type | Micro-USB charge cable | - |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 305 | Erato RIO 3 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 130 mAh | |
| Battery Life | 6 hour(s) | 8 hour(s) | Erato RIO 3 lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 305. |
| Battery Life Details | - | Continuous playback: up to 6 hours Continuous talk: up to 8 hours |
|
| Standby Time | 240 hours | - | |
| Charging Time | 2 hour(s) | - | |
| Included Qty | - | 2 |
| OTHERS | Poly - Plantronics Backbeat FIT 305 | Erato RIO 3 |
|---|
| Included Accessories | Carrying pouch, 3 pairs of ear tips (small, medium, large) | - |
|---|
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