Detailed comparison and review of JBL Free II and Devialet Gemini. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | JBL Free II | Devialet Gemini |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 4.8 g | - | |
| Dimensions & Weight Details | Earphone: 4.8 g Charging case: 52 g |
Charging case: 5.8 cm x 7.4 cm x 3.1 cm / 76 g Earbud: 1.8 cm x 3.3 cm x 1.5 cm / 8 g |
|
| Colour | Black | White | Matte black | |
| Protection | Splashproof, IPX4 | Splashproof, IPX4, dust-proof | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JBL Free II | Devialet Gemini |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| 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 | Devialet Gemini are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Internal Delay Compensation technology | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 20000 Hz | Devialet Gemini offer a larger frequency range than JBL Free II. |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Sensitivity | 100 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | 95 dB | - | |
| Diaphragm | 5.6 mm | 10 mm | Devialet Gemini have a thicker diaphragm than JBL Free II. |
| Features | - | Ear Active Matching, Pressure Balance Architecture |
| MICROPHONE | JBL Free II | Devialet Gemini |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | -38 dBV/Pascal | - |
| REMOTE CONTROL | JBL Free II | Devialet Gemini |
|---|
| Controls | - | Play/pause, voice assistant, ANC/ambient |
|---|
| CABLE | JBL Free II | Devialet Gemini |
|---|
| Cable Type | USB-C charge cable | Charging cable - detachable |
|---|
| FEATURES | JBL Free II | Devialet Gemini |
|---|
| Features | Touch control | Touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | JBL Free II | Devialet Gemini |
|---|
| Battery Type | 2 x headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 55 mAh | - | |
| Battery Life | 6 hour(s) | 6 hour(s) | Both headphones last the same amount of time on a single charge. |
| Battery Life Details | (with included charging case): up to 24 hours | Continuous playback (noise cancelling ON): up to 6 hours Continuous talk: up to 4 hours Continuous talk (noise cancelling OFF): up to 4.5 hours Continuous playback (with included charging case): up to 24 hours |
|
| Charging Time | 2 hour(s) | 1.5 hour(s) | Devialet Gemini recharge faster than JBL Free II. |
| Included Qty | 2 | - |
| OTHERS | JBL Free II | Devialet Gemini |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) | Charging case, charging cable, 4 pairs of ear tips (XS, small, medium, large) | |
|---|---|---|---|
| Compliant Standards | - | IPX4 |
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