In depth comparison and review of JBL Free and ISOtunes Free Industrial. 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 | JBL Free | ISOtunes Free Industrial |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 99 g | - | |
| Colour | White | Black | Safety yellow | |
| Protection | - | Dust-resistant, hearing protection, sweat-resistant, water-resistant | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | JBL Free | ISOtunes Free Industrial |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | ISOtunes Free Industrial have a more advanced version of Bluetooth than JBL Free. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | aptX | |
| Noise Isolating | - | Yes | ISOtunes Free Industrial are equipped with a noise isolating function. |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 10 - 22000 Hz | - | |
| Diaphragm | 5.8 mm | - | |
| Features | - | Built-in volume limiter |
| MICROPHONE | JBL Free | ISOtunes Free Industrial |
|---|
| Form Factor | Built-in | Built-in |
|---|
| CABLE | JBL Free | ISOtunes Free Industrial |
|---|
| Cable Type | Micro-USB charge cable | - |
|---|
| BATTERY AND CHARGING | JBL Free | ISOtunes Free Industrial |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 4 hour(s) | 7 hour(s) | ISOtunes Free Industrial lasts longer on a single charge than the JBL Free. |
| Battery Life Details | - | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 21 hours |
|
| Charging Time | 2 hour(s) | 1.5 hour(s) | ISOtunes Free Industrial recharge faster than JBL Free. |
| OTHERS | JBL Free | ISOtunes Free Industrial |
|---|
| Included Accessories | 2 pairs of ear sleeves, charging case | Charging case, 3 pairs of foam ear tips, 3 pairs of double flange ear tips (small, medium, large), USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | - | OSHA, NIOSH | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 1 year Limited warranty - money back guarantee - 30 days |
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