Side by side comparison and review of JBL Free II and Poly Voyager 4210-M. 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 | JBL Free II | Poly Voyager 4210-M |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Voyager 4200 series | |
| Weight | 4.8 g | - | |
| Dimensions & Weight Details | Earphone: 4.8 g Charging case: 52 g |
- | |
| Colour | Black | White | - | |
| Protection | Splashproof, IPX4 | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JBL Free II | Poly Voyager 4210-M |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 100 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | 95 dB | - | |
| Diaphragm | 5.6 mm | - |
| MICROPHONE | JBL Free II | Poly Voyager 4210-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Sensitivity | -38 dBV/Pascal | - |
| CABLE | JBL Free II | Poly Voyager 4210-M |
|---|
| Cable Type | USB-C charge cable | - |
|---|
| FEATURES | JBL Free II | Poly Voyager 4210-M |
|---|
| Features | Touch control | - |
|---|
| BATTERY AND CHARGING | JBL Free II | Poly Voyager 4210-M |
|---|
| Battery Type | 2 x headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 55 mAh | - | |
| Battery Life | 6 hour(s) | - | |
| Battery Life Details | (with included charging case): up to 24 hours | - | |
| Charging Time | 2 hour(s) | - | |
| Included Qty | 2 | - |
| CONNECTIONS | JBL Free II | Poly Voyager 4210-M |
|---|
| Connector Type | - | USB (USB Type-C) |
|---|
| OTHERS | JBL Free II | Poly Voyager 4210-M |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) | Charging stand, Bluetooth dongle | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams |
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