Bild © JLabJLab Flex Open in Teal are open-ear true wireless earbuds designed for listeners who want wireless audio without sealing the ear canal. The clip-on cuff design wraps around the outer ear with a flexible fit, leaving the ear canal completely open so ambient sound passes through naturally while you listen.
These open-ear wireless earbuds offer a lightweight, secure fit with a 12mm dynamic driver and Bluetooth 5.4 for stable connectivity. They deliver around 21 hours of total playback with the charging case, plus IPX4 sweat resistance and multipoint pairing, making them a practical budget pick for active listeners. With touch controls and a custom EQ via the app, they balance essential features at an approachable price.
| Treiber | dynamic |
|---|---|
| Treiber pro Seite | 2 |
| Frequenzgang | 20-20,000 Hz |
| Impedanz | 12 Ω |
| Empfindlichkeit | -38 dB ±1 dB |
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| Akkulaufzeit |
|---|
| 7 h |
| Akku inkl. Case | 21 h |
|---|
| Volle Ladezeit | 120 min |
|---|
| Schnellladen | 10 min = 1 h |
|---|
| Aktive Geräuschunterdrückung | 2-mic ENC |
|---|---|
| ANC-Typ | none |
| Transparenzmodus | No |
| Begleit-App | Yes |
| Eigener Equalizer | Yes |
| Trageerkennung | No |
| Bedienung | touch |
| Sprachassistent | Yes |
| Gewicht | 6 g |
|---|---|
| Gewicht des Case | 36.8 g |
| Wasserschutz | IPX4 |
| USB-C | Yes |
| Mikrofone | 4 |
|---|---|
| Rauschunterdrückung bei Anrufen | ENC |
| Mikrofon | 4 x MEMS |
| Treiber | dynamic |
|---|---|
| Treiber pro Seite | 2 |
| Frequenzgang | 20-20,000 Hz |
| Impedanz | 12 Ω |
| Empfindlichkeit | -38 dB ±1 dB |
| Bluetooth | 5.4 |
|---|---|
| Bluetooth-Version | 5.4 |
| Audiocodecs | SBC, AAC |
| Multipoint-Kopplung | Yes |
| Latenz | 200 ms |
| Reichweite | 9.1 m |
| Akkulaufzeit | 7 h |
|---|---|
| Akku inkl. Case | 21 h |
| Volle Ladezeit | 120 min |
| Schnellladen | 10 min = 1 h |
| Aktive Geräuschunterdrückung | 2-mic ENC |
|---|---|
| ANC-Typ | none |
| Transparenzmodus | No |
| Begleit-App | Yes |
| Eigener Equalizer | Yes |
| Trageerkennung | No |
| Bedienung | touch |
| Sprachassistent | Yes |
| Gewicht | 6 g |
|---|---|
| Gewicht des Case | 36.8 g |
| Wasserschutz | IPX4 |
| USB-C | Yes |
| Mikrofone | 4 |
|---|---|
| Rauschunterdrückung bei Anrufen | ENC |
| Mikrofon | 4 x MEMS |
ZDNet compares the JLab Flex favorably as a low-cost alternative to the Bose Ultra Open, noting similar core features such as IPX4 and Bluetooth 5.3 alongside strong battery life. The search result only exposes a comparison table, so no standalone score or full review conclusion is available here.
