In depth comparison and review of ISOtunes Free Industrial and JBL Endurance Race. 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 | ISOtunes Free Industrial | JBL Endurance Race |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | - | Earbud: 6.2 g Charging case: 44.9 g |
|
| Colour | Safety yellow | - | |
| Protection | Dust-resistant, hearing protection, sweat-resistant, water-resistant | Waterproof, dust-proof | |
| Design | - | Sports | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | ISOtunes Free Industrial | JBL Endurance Race |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | JBL Endurance Race have a more advanced version of Bluetooth than ISOtunes Free Industrial. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), 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 | Stereo | |
| Sound Effects | - | Pure Bass, Ambient Sound Enhancer | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 99 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | - | 93 dB | |
| Diaphragm | - | 6 mm | |
| Features | Built-in volume limiter | TwistLock technology, TalkThru technology, Ambient Aware |
| MICROPHONE | ISOtunes Free Industrial | JBL Endurance Race |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | ISOtunes Free Industrial | JBL Endurance Race |
|---|
| Controls | - | Answer/end, play/pause, voice assistant |
|---|
| BATTERY AND CHARGING | ISOtunes Free Industrial | JBL Endurance Race |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 70 mAh | |
| Battery Life | 7 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 21 hours |
Continuous playback (with included charging case): up to 30 hours Continuous playback: up to 10 hours |
|
| Standby Time | - | 10 hours | |
| Charging Time | 1.5 hour(s) | 2 hour(s) | ISOtunes Free Industrial recharge faster than ISOtunes Free Industrial. |
| OTHERS | ISOtunes Free Industrial | JBL Endurance Race |
|---|
| Included Accessories | Charging case, 3 pairs of foam ear tips, 3 pairs of double flange ear tips (small, medium, large), USB-C charging cable | Charging case (550 mAh) | |
|---|---|---|---|
| Compliant Standards | OSHA, NIOSH | IP67 | |
| Service & Support | Limited warranty - 1 year Limited warranty - money back guarantee - 30 days |
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