JLab Flex EFLEXRBLK124

★★★★☆ 4.1 (438)

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 Yes
multipoint Yes
JLab Flex EFLEXRBLK124 earbuds
46 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong connectivity (90th percentile) 90th
  • Strong mic (80th percentile) 80th
  • Strong comfort (71th percentile) 71th

Cons

  • Below average battery (20th percentile)
  • Below average anc (29th percentile)
  • Below average build (33th percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews — so you can see whether early praise held up.

Owner sentiment has held steady over time
1★2★3★4★5★Q2 '25: 3.9★ · 11 reviewsQ3 '25: 4.2★ · 44 reviewsQ4 '25: 4.2★ · 66 reviewsQ1 '26: 4.4★ · 50 reviewsQ2 '26: 4.1★ · 29 reviews1144665029Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 200 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Anc 28.9
Mic 80.1
Build 33.3
Sound 50.5
Battery 19.8
Comfort 70.6
Connectivity 89.9
Social Proof 57

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

vs Competition

Spec JLab Flex EFLEXRBLK124 Sony WF-1000XM6 WF-1000XM6 Bose QuietComfort Ultra 896637-0010 Technics EAH-AZ100 EAH-AZ100 EarFun Air Pro Air Pro 4+ Soundcore Soundcore P31i
Form Factor open-ear in-ear in-ear in-ear in-ear in-ear
Driver Type - Dynamic Dynamic Dynamic hybrid Dynamic Driver
Wireless true true true true true true
Active Noise Cancellation - true true true true true
Bluetooth Version 5.3 5.3 5.3 5.3 6.0 6.1
Battery Life Hours 6 8 6 8 12 10
Case Battery Hours 21 24 18 28 54 50
Water Resistance Yes IPX4 IPX4 IPX4 IP55 IP55
Multipoint true true true true true -
Compare Compare Compare Compare Compare
Product AncMicBuildSoundBatteryComfortConnectivitySocial Proof
JLab Flex EFLEXRBLK124 28.980.133.350.519.870.689.957
Sony WF-1000XM6 WF-1000XM6 Compare 96.799.878.69675.570.69994.2
Bose QuietComfort Ultra 896637-0010 Compare 96.79078.696.246.993.397.794.2
Technics EAH-AZ100 EAH-AZ100 Compare 96.796.878.69978.993.399.864.6
EarFun Air Pro Air Pro 4+ Compare 96.796.89199.895.970.699.386.1
Soundcore Soundcore P31i Compare 88.396.89196.693.970.684.686.1

Price

Value & Pricing

From MX$1,175 1 offers across 1 retailers
Amazon.com.mx 1 offers From MX$1,175
MX$1,175

Usage Scores

Calls (40.2)Music (33.7)Overall (45.5)Budget (52.1)Gaming (46.2)Travel (28.7)Commute (25.9)Fitness (30.9)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

Similar Products