JLab Flex EFLEXRBLK124
Its open-ear clip-on design delivers 21-hour total battery life and 12mm drivers for booming open sound without blocking ambient noise. Multipoint Bluetooth 5.3 effortlessly switches between two devices, and the JLab App provides custom EQ for the lightweight 59-gram build. This makes it ideal for runners, cyclists, and desk workers who need all-day awareness during calls and music.
About This Earbuds
Its open-ear clip-on design delivers 21-hour total battery life and 12mm drivers for booming open sound without blocking ambient noise. Multipoint Bluetooth 5.3 effortlessly switches between two devices, and the JLab App provides custom EQ for the lightweight 59-gram build. This makes it ideal for runners, cyclists, and desk workers who need all-day awareness during calls and music.
- Form factor open-ear
- Wireless
- Bluetooth version 5.3
- Battery life hours 6
- Case battery hours 21
- Water resistance Yes
- Multipoint
Overview
Performance
Pros & Cons
Pros
- Strong connectivity (90th percentile) 90th
- Strong mic (81th percentile) 81th
- Strong comfort (71th percentile) 71th
Cons
- Below average battery (20th percentile) 20th
- Below average anc (29th percentile) 29th
- Below average build (33th percentile) 33th
Specifications
Full Specifications
Design
| Form Factor | open-ear |
| Wearing Style | clip on |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Size | 12 |
| Freq Min | 20 |
| Freq Max | 20000 |
| Impedance | 12 |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.3 |
| Multipoint | Yes |
Earbud Battery
| Battery Life | 6 |
| Charge Time | 2 |
| Charging | USB-C |
Case Battery
| Case Battery | 21 |
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
| Mic Count | 2 |
| NC Mic | Yes |
Features
| Touch Controls | Yes |
| App | JLab App |
| Water Resistance | Yes |
Value & Pricing
vs Competition
| Spec | JLab Flex EFLEXRBLK124 | Sony WF-1000XM5 WF-1000XM5 | Sennheiser MOMENTUM True Wireless 4 | Technics EAH-AZ80 EAH-AZ80-S | Samsung Galaxy Buds3 Pro SM-R630NZWAXAR | Apple AirPods Pro MFHP4LL/A |
|---|---|---|---|---|---|---|
| Form Factor | open-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | - | dynamic | dynamic | dynamic | Dynamic | Dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Bluetooth Version | 5.3 | 5.3 | 5.4 | 5.3 | 5.4 | 5.3 |
| Battery Life Hours | 6 | 8 | 30 | 7 | 6 | 8 |
| Case Battery Hours | 21 | 24 | 30 | 24 | 26 | 24 |
| Water Resistance | Yes | IPX4 | IP54 | IPX4 | IP57 | IP57 |
| Multipoint | true | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| JLab Flex EFLEXRBLK124 | 29.4 | 80.5 | 33.4 | 51.8 | 19.8 | 70.9 | 90 | 53.7 |
| Sony WF-1000XM5 WF-1000XM5 Compare | 96.6 | 96.9 | 79 | 99.2 | 75.6 | 93.4 | 99.9 | 80.1 |
| Sennheiser MOMENTUM True Wireless 4 Compare | 96.6 | 99.7 | 33.4 | 91.9 | 97.5 | 93.4 | 90 | 89.3 |
| Technics EAH-AZ80 EAH-AZ80-S Compare | 91.9 | 99.7 | 79 | 88.3 | 72.6 | 93.4 | 97.8 | 89.3 |
| Samsung Galaxy Buds3 Pro SM-R630NZWAXAR Compare | 96.6 | 96.9 | 98.8 | 91.9 | 72.6 | 93.4 | 99.6 | 89.3 |
| Apple AirPods Pro MFHP4LL/A Compare | 96.6 | 80.5 | 98.8 | 83.3 | 75.6 | 70.9 | 97.8 | 99.3 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
