JLab Flex EBFLEXRBLK124
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 Yes
bluetooth version 5.3
battery life hours 6
case battery hours 21
water resistance Water-Resistant
multipoint Yes
50 Overall Score
Price ¥0
Snapshot
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has held steady over time
Based on 200 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
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 | Water-Resistant |
vs Competition
| Spec | JLab Flex EBFLEXRBLK124 | Technics EAH-AZ100 EAH-AZ100-K | Samsung Galaxy Buds3 Pro | Sony WF-1000XM6 | Bose QuietComfort Ultra 896637-0010 | Apple AirPods Pro 3 |
|---|---|---|---|---|---|---|
| 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 | 5.3 | 5.3 |
| Battery Life Hours | 6 | 8 | 6 | 8 | 6 | 8 |
| Case Battery Hours | 21 | 28 | 26 | 24 | 18 | 24 |
| Water Resistance | Water-Resistant | IPX4 | IP57 | IPX4 | IPX4 | 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 EBFLEXRBLK124 | 32 | 84.3 | 73.3 | 58.7 | 19.7 | 73.3 | 91.8 | 66.1 |
| Technics EAH-AZ100 EAH-AZ100-K Compare | 97.5 | 97.5 | 81.4 | 99.1 | 82.9 | 73.3 | 99.2 | 80.7 |
| Samsung Galaxy Buds3 Pro Compare | 97.5 | 97.5 | 98.9 | 93.6 | 77.8 | 94.6 | 99.6 | 89.8 |
| Sony WF-1000XM6 Compare | 97.5 | 99.8 | 81.4 | 89.2 | 80 | 73.3 | 99.2 | 80.7 |
| Bose QuietComfort Ultra 896637-0010 Compare | 97.5 | 92 | 81.4 | 97 | 49.4 | 94.6 | 98.1 | 89.8 |
| Apple AirPods Pro 3 Compare | 97.5 | 84.3 | 98.9 | 91.5 | 80 | 94.6 | 99.6 | 99.4 |
Price
Value & Pricing
We started tracking prices for this product on May 30, 2026. The chart appears once we have more data.
