In depth comparison and review of ISOtunes Free Industrial and Huawei FreeBuds 4. 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 | Huawei FreeBuds 4 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | - | Charging case: 5.8 cm x 5.8 cm x 2.12 cm / 38 g Earbud: 1.68 cm x 1.85 cm x 4.14 cm / 4.1 g |
|
| Colour | Safety yellow | Ceramic white | Silver frost | |
| Protection | Dust-resistant, hearing protection, sweat-resistant, water-resistant | Splashproof, dust-resistant, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | ISOtunes Free Industrial | Huawei FreeBuds 4 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Huawei FreeBuds 4 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 | SBC, AAC | |
| Active Noise Cancelling | - | Yes | Huawei FreeBuds 4 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | ISOtunes Free Industrial are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Diaphragm | - | 14.3 mm | |
| Features | Built-in volume limiter | - |
| MICROPHONE | ISOtunes Free Industrial | Huawei FreeBuds 4 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Huawei FreeBuds 4 microphone can cancel out ambient noise. |
| REMOTE CONTROL | ISOtunes Free Industrial | Huawei FreeBuds 4 |
|---|
| Controls | - | Swipe control |
|---|
| FEATURES | ISOtunes Free Industrial | Huawei FreeBuds 4 |
|---|
| Sensors | - | Wear sensor |
|---|
| BATTERY AND CHARGING | ISOtunes Free Industrial | Huawei FreeBuds 4 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 30 mAh | |
| Battery Life | 7 hour(s) | 4 hour(s) | ISOtunes Free Industrial lasts longer on a single charge than the Huawei FreeBuds 4. |
| Battery Life Details | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 21 hours |
Continuous playback (active noise-cancelling off): up to 4 hours Continuous playback (active noise-cancelling on): up to 2.7 hours Continuous playback (active noise-cancelling off) (with included charging case): up to 22 hours Continuous playback (active noise-cancelling on) (with included charging case): up to 14 hours Continuous talk (active noise-cancelling off): up to 2.3 hours Continuous talk (active noise-cancelling on): up to 2 hours |
|
| Charging Time | 1.5 hour(s) | 1 hour(s) | Huawei FreeBuds 4 recharge faster than ISOtunes Free Industrial. |
| OTHERS | ISOtunes Free Industrial | Huawei FreeBuds 4 |
|---|
| 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, charging case (410 mAh) | |
|---|---|---|---|
| Compliant Standards | OSHA, NIOSH | RoHS, halogen-free, IPX4 | |
| Service & Support | Limited warranty - 1 year Limited warranty - money back guarantee - 30 days |
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