Side by side comparison and review of Poly - Plantronics Backbeat FIT 305 and Erato Apollo 7S. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly - Plantronics Backbeat FIT 305 | Erato Apollo 7S |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Width | - | 1.54 cm | |
| Depth | - | 2.22 cm | |
| Weight | 14 g | 4 g | Erato Apollo 7S are lighter than Poly - Plantronics Backbeat FIT 305 headphones. |
| Dimensions & Weight Details | - | Charging case: 6.25 cm x 4 cm x 2.55 cm / 52 g | |
| Colour | Black | Dark blue | Coral | Lime green | Black | Space grey | Rose gold | Silver | |
| Protection | Sweat-resistant | Weatherproof, sweat-resistant, IPX5 | |
| 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 Apollo 7S |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.1 | Both headphones have the same Bluetooth version. |
| 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | 3D Surround Sound | |
| 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 Apollo 7S. |
| Impedance | 16 Ohm | 16 Ohm | |
| Diaphragm | 6 mm | 5.8 mm | Poly - Plantronics Backbeat FIT 305 have a thicker diaphragm than Erato Apollo 7S. |
| Features | - | Bluetooth aptX technology |
| MICROPHONE | Poly - Plantronics Backbeat FIT 305 | Erato Apollo 7S |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | - | Omni-directional | |
| Sensitivity | - | -42 dB |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 305 | Erato Apollo 7S |
|---|
| Controls | Answer/end, play/pause, next/previous track | Volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 305 | Erato Apollo 7S |
|---|
| Cable Type | Micro-USB charge cable | USB charge cable |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 305 | Erato Apollo 7S |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 6 hour(s) | 4 hours | Poly - Plantronics Backbeat FIT 305 lasts longer on a single charge than the Erato Apollo 7S. |
| Battery Life Details | - | Continuous talk: up to 4 hours Continuous playback: up to 3 hours |
|
| Standby Time | 240 hours | - | |
| Charging Time | 2 hour(s) | - |
| OTHERS | Poly - Plantronics Backbeat FIT 305 | Erato Apollo 7S |
|---|
| Included Accessories | Carrying pouch, 3 pairs of ear tips (small, medium, large) | 3 pairs of Comply foam ear tips, charging case, 3 pairs of ear stabilisers (small, medium, large) |
|---|
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