In depth comparison and review of ifrogz Charisma 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 | ifrogz Charisma | ISOtunes Free Industrial |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Colour | Black, red | Safety yellow | |
| Protection | Sweat-resistant | Dust-resistant, hearing protection, sweat-resistant, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 9.14 m | - |
| SOUND QUALITY | ifrogz Charisma | ISOtunes Free Industrial |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Audio Codec | - | aptX | |
| Noise Isolating | - | Yes | ISOtunes Free Industrial are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 97 dB | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | - | |
| Magnet Material | Neodymium | - | |
| Features | - | Built-in volume limiter |
| MICROPHONE | ifrogz Charisma | ISOtunes Free Industrial |
|---|
| Form Factor | - | Built-in |
|---|
| REMOTE CONTROL | ifrogz Charisma | ISOtunes Free Industrial |
|---|
| Controls | Power on/off, volume control, play/pause, next/previous track | - |
|---|
| BATTERY AND CHARGING | ifrogz Charisma | 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 ifrogz Charisma. |
| Battery Life Details | - | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 21 hours |
|
| Charging Time | 1 hour(s) | 1.5 hour(s) | ifrogz Charisma recharge faster than ifrogz Charisma. |
| WIRELESS LINK | ifrogz Charisma | ISOtunes Free Industrial |
|---|
| Transmission Range | 9.14 m | - |
|---|
| OTHERS | ifrogz Charisma | ISOtunes Free Industrial |
|---|
| Included Accessories | Clothing clip | 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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