In depth comparison and review of JVC HA FX21BT 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 | JVC HA FX21BT | ISOtunes Free Industrial |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 11 g | - | |
| Colour | Black | White | Safety yellow | |
| Protection | Splashproof, sweat-resistant | Dust-resistant, hearing protection, sweat-resistant, water-resistant | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | JVC HA FX21BT | ISOtunes Free Industrial |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | ISOtunes Free Industrial have a more advanced version of Bluetooth than JVC HA FX21BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC | aptX | |
| Noise Isolating | - | Yes | ISOtunes Free Industrial are equipped with a noise isolating function. |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Diaphragm | 8.2 mm | - | |
| Magnet Material | Neodymium | - | |
| Features | - | Built-in volume limiter | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA FX21BT | ISOtunes Free Industrial |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | JVC HA FX21BT | ISOtunes Free Industrial |
|---|
| Controls | Power on/off, volume control, 3-button remote | - |
|---|
| CABLE | JVC HA FX21BT | ISOtunes Free Industrial |
|---|
| Cable Type | USB charge cable | - |
|---|
| BATTERY AND CHARGING | JVC HA FX21BT | ISOtunes Free Industrial |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 5 hour(s) | 7 hour(s) | ISOtunes Free Industrial lasts longer on a single charge than the JVC HA FX21BT. |
| Battery Life Details | - | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 21 hours |
|
| Charging Time | 2.5 hour(s) | 1.5 hour(s) | ISOtunes Free Industrial recharge faster than JVC HA FX21BT. |
| CONNECTIONS | JVC HA FX21BT | ISOtunes Free Industrial |
|---|
| Connector Type | USB (power only) | - |
|---|
| OTHERS | JVC HA FX21BT | ISOtunes Free Industrial |
|---|
| Included Accessories | 2 pairs of low rebound earpieces (small, medium) | 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 - money back guarantee - 30 days |
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