In depth comparison and review of Erato Apollo 7S 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 | Erato Apollo 7S | ISOtunes Free Industrial |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Width | 1.54 cm | - | |
| Depth | 2.22 cm | - | |
| Weight | 4 g | - | |
| Dimensions & Weight Details | Charging case: 6.25 cm x 4 cm x 2.55 cm / 52 g | - | |
| Colour | Black | Space grey | Rose gold | Silver | Safety yellow | |
| Protection | Weatherproof, sweat-resistant, IPX5 | Dust-resistant, hearing protection, sweat-resistant, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Erato Apollo 7S | 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 Erato Apollo 7S. |
| 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 | Stereo | |
| Sound Effects | 3D Surround Sound | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 100 dB | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 5.8 mm | - | |
| Features | Bluetooth aptX technology | Built-in volume limiter |
| MICROPHONE | Erato Apollo 7S | ISOtunes Free Industrial |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -42 dB | - |
| REMOTE CONTROL | Erato Apollo 7S | ISOtunes Free Industrial |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Erato Apollo 7S | ISOtunes Free Industrial |
|---|
| Cable Type | USB charge cable | - |
|---|
| BATTERY AND CHARGING | Erato Apollo 7S | ISOtunes Free Industrial |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 4 hours | 7 hour(s) | ISOtunes Free Industrial lasts longer on a single charge than the Erato Apollo 7S. |
| Battery Life Details | Continuous talk: up to 4 hours Continuous playback: up to 3 hours |
Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 21 hours |
|
| Charging Time | - | 1.5 hour(s) |
| OTHERS | Erato Apollo 7S | ISOtunes Free Industrial |
|---|
| Included Accessories | 3 pairs of Comply foam ear tips, charging case, 3 pairs of ear stabilisers (small, medium, large) | 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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