Detailed comparison and review of Poly - Plantronics Backbeat FIT 305 and JBL Free II. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly - Plantronics Backbeat FIT 305 | JBL Free II |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 14 g | 4.8 g | JBL Free II are lighter than Poly - Plantronics Backbeat FIT 305 headphones. |
| Dimensions & Weight Details | - | Earphone: 4.8 g Charging case: 52 g |
|
| Colour | Black | Dark blue | Coral | Lime green | Black | White | |
| Protection | Sweat-resistant | Splashproof, IPX4 | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 305 | JBL Free II |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | JBL Free II 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), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| 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 JBL Free II. |
| Impedance | 16 Ohm | 16 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | 6 mm | 5.6 mm | Poly - Plantronics Backbeat FIT 305 have a thicker diaphragm than JBL Free II. |
| MICROPHONE | Poly - Plantronics Backbeat FIT 305 | JBL Free II |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 305 | JBL Free II |
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| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 305 | JBL Free II |
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| Cable Type | Micro-USB charge cable | USB-C charge cable |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 305 | JBL Free II |
|---|
| Features | - | Touch control |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 305 | JBL Free II |
|---|
| Battery Type | Headphone battery rechargeable | 2 x headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 6 hour(s) | 6 hour(s) | Both headphones last the same amount of time on a single charge. |
| Battery Life Details | - | (with included charging case): up to 24 hours | |
| Standby Time | 240 hours | - | |
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 2 |
| OTHERS | Poly - Plantronics Backbeat FIT 305 | JBL Free II |
|---|
| Included Accessories | Carrying pouch, 3 pairs of ear tips (small, medium, large) | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) |
|---|
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