In depth comparison and review of ISOtunes Free Industrial and JBL TUNE Flex. 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 TUNE Flex |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | - | Charging case: 5.15 cm x 2.93 cm x 4.7 cm / 38.6 g Earbud: 2.05 cm x 2.02 cm x 3.49 cm / 4.8 g |
|
| Colour | Safety yellow | Blue | White | Black | Purple | |
| Protection | Dust-resistant, hearing protection, sweat-resistant, water-resistant | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | ISOtunes Free Industrial | JBL TUNE Flex |
|---|
| Headphones Form Factor | In-ear | Ear-bud | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | JBL TUNE Flex 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 | - | |
| Active Noise Cancelling | - | Yes | JBL TUNE Flex are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Smart Ambient | |
| Noise Isolating | Yes | - | ISOtunes Free Industrial are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 110 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 12 mm | |
| Features | Built-in volume limiter | - |
| MICROPHONE | ISOtunes Free Industrial | JBL TUNE Flex |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | - | -38 dBV/Pascal |
| CABLE | ISOtunes Free Industrial | JBL TUNE Flex |
|---|
| Cable Type | - | USB-C charge cable |
|---|
| BATTERY AND CHARGING | ISOtunes Free Industrial | JBL TUNE Flex |
|---|
| Battery Type | Headphone battery rechargeable | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 7 hour(s) | 4.5 hours | ISOtunes Free Industrial lasts longer on a single charge than the JBL TUNE Flex. |
| Battery Life Details | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 21 hours |
Continuous playback: up to 32 hours Continuous playback: up to 4.5 hours Continuous playback (ANC OFF / Bluetooth): up to 8 hours Continuous playback (ANC ON / Bluetooth): up to 6 hours Continuous playback (with included charging case): up to 18 hours |
|
| Charging Time | 1.5 hour(s) | 2 hour(s) | ISOtunes Free Industrial recharge faster than ISOtunes Free Industrial. |
| Included Qty | - | 2 |
| OTHERS | ISOtunes Free Industrial | JBL TUNE Flex |
|---|
| Included Accessories | Charging case, 3 pairs of foam ear tips, 3 pairs of double flange ear tips (small, medium, large), USB-C charging cable | USB-C charging cable, 3 sizes of earhooks, charging case (570 mAh) | |
|---|---|---|---|
| Compliant Standards | OSHA, NIOSH | IPX4, GFSK, π/4 QPSK, 8DPSK | |
| Service & Support | Limited warranty - 1 year Limited warranty - money back guarantee - 30 days |
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