Specification Sheet

Waterproof true wireless active sport earbuds
HARMAN International Industries, Incorporated
8500 Balboa Boulevard, Northridge, CA 91329 USA
www.jbl.com
Features and Benefits
JBL Pure Bass Sound
With bold sound and rich bass from a 6mm dynamic driver, you won’t just hear the
music — you’ll feel it.
Up to 30 hours of battery life
Never miss a beat with 10 hours of battery life from the earbuds and 20 hours from the case.
Need a boost? Just 10 minutes of Speed Charge gives you another full hour of playtime.
Enhancer and Twistlock
™
design support your active lifestyle
The ergonomic wing enhancer of JBL’s Endurance Race uses Twistlock
™
technology to
alleviate pressure point discomfort, giving you a better seal and stability for a superior
all-day fit.
IP67 Waterproof and Dustproof
The rugged IP67-certified dust and waterproof design of the JBL Endurance Race TWS
earbuds gives you the freedom to stay active and energized from the beach to the
boardroom. Fully dust tight, they can endure submersion in water up to 1m.
Ambient Aware & TalkThru
Ambient Aware keeps you alert to your surroundings wherever the music takes you.
And when it’s time for a chat, just activate TalkThru to jump into conversations without having
to take out your earbuds.
Enjoy perfect calls and your preferred VA
Make perfect stereo calls powered by dual beamforming mics. Or access your preferred
voice assistant directly from your headphones with tap controls that keep the world at your
fingertips.
The JBL Headphones App
Customize your listening experience. The dedicated app lets you optimize settings, pick your
voice assistant, tweak EQ levels, and more, so you can always hear your music your way.
What’s in the box:
1 x JBL Endurance Race headphones
1 x Charging case
1 x USB Type-C charging cable
1 x 3 sizes of eartips
1 x 2 sizes of enhancers
1 x Warranty/Warning (W/!)
1 x QSG/Safety Sheet (S/i)
Technical Specifications:
Driver size: 6mm/1/4" Dynamic Driver
Power supply: 5V 1A
Earbud: 6.2g per pc (12.4g combined)/
0.014 lbs per pc (0.028 lbs combined)
Charging case: 44.9g/0.099 lbs
Earbud battery type: Lithium-ion Battery
(70mAh/3.85V)
Charging case battery type: Lithium-ion
Battery (550mAh/3.7V)
Charging time: <2 hrs from empty
Music playtime with BT on: ≥10 hrs
Frequency response: 20Hz – 20kHz
Impedance: 16 ohm
Sensitivity: 99dB SPL@1kHz
Maximum SPL: 93dB
Microphone sensitivity: -38dBV/Pa@1kHz
Bluetooth version: 5.2
Bluetooth profile version: A2DP V1.3,
AVRCP V1.6, HFP V1.7
Bluetooth transmitter frequency range:
2.4GHz – 2.4835GHz
Bluetooth transmitter power: <10dBm
Bluetooth transmitter modulation:
GFSK, π/4QPSK, 8DPSK
Maximum operation temperature: 45°C
© 2021 HARMAN International Industries, Incorporated. All rights reserved. JBL is a trademark of HARMAN
International Industries, Incorporated, registered in the United States and/or other countries. The Bluetooth
®
word
mark and logos are registered trademarks owned by Bluetooth
®
SIG, Inc. and any use of such marks by HARMAN
International Industries, Incorporated is under license. Other trademarks and trade names are those of their
respective owners. Features, specifications and appearance are subject to change without notice.