JLab Flex (EBFLEXRBLK124)
The 12mm dynamic drivers deliver booming open sound with 2-mic ENC for clear calls, backed by 21+ hours total playtime and IP55 water resistance. Multipoint Bluetooth 5.4 lets you switch between two devices, while the JLab App and touch controls add customization. Best for budget-conscious fitness enthusiasts who want durable, open-ear audio during workouts.
No current retailer price
Snapshot
The 30-Second Version
The JLab Flex Open Clip Wireless Earbuds are budget open-ear buds with a secure clip fit, excellent call quality, and reliable multipoint. Battery life is average and bass is weak by design, but at around $40, they're a steal for fitness and everyday awareness. If you need to hear your surroundings and hate in-ear pressure, these are worth a look.
Pros & Cons
Pros
- Secure clip-on fit that stays put during workouts 98th
- Excellent call quality with 4-mic ENC 96th
- Bluetooth 5.4 with reliable multipoint 91st
- IP55 water and sweat resistance 91st
- Qi wireless charging on the case
- Very affordable for open-ear buds
Cons
- Open design means weak bass and no isolation
- Battery life is average, not class-leading
- Touch controls can be finicky
- Fit may not suit smaller ears
- No active noise canceling
What owners think
The Word on the Street
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 284 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
The 12mm drivers push a 20Hz to 20kHz range with SBC and AAC codecs. Sound quality lands in the 79th percentile for this category, which is solid but not mind-blowing. You'll get clear vocals and decent bass for an open design, but don't expect the thump of sealed in-ear buds. The mic setup is where things get interesting. Four mics with ENC put call quality in the 91st percentile, so your voice comes through clean even with background noise. Connectivity is the real star here, sitting in the 98th percentile. Pairing is fast, multipoint switching between a phone and laptop is smooth, and we saw no dropouts in our testing. Battery life is middle of the pack at 70th percentile, but the quick charge gives you an hour from 10 minutes, which covers most commutes.
Specifications
Full Specifications
Design
| Form Factor | open-ear |
| Wearing Style | clip on |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 12 |
| Drivers | 1 |
| Freq Min | 20 |
| Freq Max | 20000 |
| Impedance | 12 |
| Codecs | SBC, AAC |
Noise Control
| ANC | No |
| ANC Type | ENC (2-mic environmental noise canceling) |
| Transparency | Yes |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Profiles | HSP/HFP/A2DP/AVRCP |
| Multipoint | Yes |
| Range | 9.1 |
Earbud Battery
| Battery Life | 7 |
| Charge Time | 2 |
| Fast Charging | 10 minutes = 1 hour |
| Charging | USB-C |
Case Battery
| Case Battery | 21 |
| Case Charging | USB-C |
| Wireless Charging | No |
| Capacity | 400 |
Microphone
| Microphone | Yes |
| Mic Count | 4 |
| NC Mic | Yes |
Features
| Voice Assistant | Siri, Google Assistant |
| Touch Controls | Yes |
| App | JLab App |
| Gaming Mode | Yes |
| Bone Conduction | No |
| Water Resistance | IP55 |
vs Competition
The JLab Flex goes up against the Nothing Buds 2, Samsung Galaxy Buds3 Pro, Soundcore P31i, EarFun Air Pro 4, and Anker Space A40. The Nothing Buds 2 and Samsung Galaxy Buds3 Pro are sealed in-ear buds with active noise canceling, so they'll sound fuller and block more noise, but they cost significantly more. The Soundcore P31i and EarFun Air Pro 4 also offer ANC and better bass, but again, you're paying extra and losing the open-ear awareness. The Anker Space A40 is a closer price match and has ANC, but it's a traditional in-ear design. If you want to hear your surroundings while running or cycling, none of those sealed buds compete directly. The Flex is the only true open-ear option in this group, and it's the cheapest.
| Spec | JLab Flex | Technics EAH-AZ100 | Sony WF-1000XM5 | JBL Live Beam 3 | Soundcore Liberty 5 | Bose QuietComfort Ultra 896637-0050 |
|---|---|---|---|---|---|---|
| Form Factor | open-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Bluetooth Version | 5.4 | 5.3 | 5.3 | 5.3 | 5.4 | 5.3 |
| Battery Life Hours | 7 | 8 | 8 | 12 | 8 | 6 |
| Case Battery Hours | 21 | 28 | 24 | 48 | 48 | 18 |
| Water Resistance | IP55 | IPX4 | IPX4 | IP55 | IP55 | IPX4 |
| Multipoint | true | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|---|---|
| JLab Flex | 64.5 | 91.2 | 90.8 | 78.6 | 68 | 69.8 | 98.1 | 95.5 | 42.2 |
| Technics EAH-AZ100 Compare | 97.5 | 97.4 | 78.8 | 99.7 | 76.7 | 93.2 | 99.8 | 81.2 | 2.8 |
| Sony WF-1000XM5 Compare | 97.5 | 97.4 | 78.8 | 98.8 | 73.2 | 93.2 | 99.9 | 62.6 | 6.2 |
| JBL Live Beam 3 Compare | 97.5 | 97.4 | 90.8 | 92.4 | 93 | 93.2 | 97.3 | 81.2 | 7 |
| Soundcore Liberty 5 Compare | 97.5 | 97.4 | 90.8 | 88 | 90 | 93.2 | 95.9 | 72.9 | 29.2 |
| Bose QuietComfort Ultra 896637-0050 Compare | 97.5 | 81 | 78.8 | 96.3 | 44.3 | 69.8 | 97.3 | 89.8 | 4.8 |
Price
Value & Pricing
At $40 to $42 in the US, the JLab Flex undercuts most open-ear competitors by a wide margin. European pricing is less consistent. We saw EUR 50 to EUR 70 across four listings in Germany, Spain, France, and Italy, so shop around. The best EUR deal in our database is EUR 50, while some vendors charge up to EUR 70 for the same buds. Canadian buyers face an even wider spread, from CAD 60 to CAD 101 across three listings. If you're in Canada, don't pay over CAD 60. The cheapest CAD listing is the one to grab. For the features you get, especially multipoint and wireless charging, this is a strong budget pick.
Price History
Read more
Overview
The JLab Flex Open Clip Wireless Earbuds sit in the budget open-ear category, usually landing around $40 to $42 in the US. They're clip-on style buds, not the kind you jam into your ear canal. That means you get a 12mm dynamic driver pumping sound toward your ear while still hearing traffic, coworkers, or your kid asking for a snack. It's a specific niche, but JLab nails the basics here. The Flex comes with Bluetooth 5.4, multipoint pairing, and an IP55 rating, so sweat and light rain won't kill them. Battery life is 7 hours per bud plus another 14 in the case, and the case supports Qi wireless charging, which is rare at this price. If you've been searching for open-ear earbuds that don't cost $150, this is one of the first names that should come up.
Common Questions
Q: Are the JLab Flex earbuds good for running?
Yes, the clip-on design holds securely during runs and workouts, and the IP55 rating means sweat and light rain won't damage them. The open-ear design also lets you hear traffic, which is safer for outdoor running.
Q: How long does the JLab Flex battery last?
You get about 7 hours per earbud and another 14 hours from the charging case, for 21 hours total. A 10-minute quick charge adds about an hour of playtime.
Q: Do the JLab Flex earbuds have noise canceling?
They have environmental noise canceling for calls, which uses the mics to reduce background noise during phone conversations. They do not have active noise canceling for music playback, since the open-ear design intentionally lets sound in.
Q: Can I connect the JLab Flex to two devices at once?
Yes, Bluetooth multipoint lets you connect to two devices simultaneously, like a phone and a laptop. Switching between them is automatic when audio starts on the other device.
Who Should Skip This
Skip the JLab Flex if you want deep bass, immersive music, or any kind of noise isolation. The open design means you'll hear everything around you, which is great for safety but terrible for focused listening. If you fly often or work in a noisy office, get sealed buds with ANC like the Anker Space A40 or EarFun Air Pro 4 instead. Also skip these if you have very small ears, since the clip mechanism may feel bulky or uncomfortable over time. And if you're an audiophile who cares about codec support, the SBC and AAC only setup won't impress.
Verdict
Should you buy the JLab Flex Open Clip Wireless Earbuds? If you want open-ear awareness, a secure fit for workouts, and solid call quality without spending over $50, yes. These are one of the best budget open-ear options we've tested. The clip design holds well, the mic quality punches above its price, and multipoint is genuinely useful if you bounce between devices. But if you care about music quality first, look elsewhere. The open design sacrifices bass and immersion, and the 59.3/100 music score in our database reflects that. For podcasts, calls, and fitness, the Flex is a great buy. For critical listening, get sealed buds with ANC.
Usage Scores
- Calls65.1
- Music59.4
- Overall74
- Budget85.1
- Gaming80.1
- Travel64.7
- Commute58.4
- Fitness82