TUNE Flex Earbuds
User Guide
WHAT’S IN THE BOX
https://register.jbl.com.utm_medium=US&utm_source=QSG
APP
https://storage.lscloud.harman.com/Testing/MyJBLHeadphones/QRCodeDownload/appstore/jblheadphone.html
how to wear
First-time use
POWER ON & CONNECT
DUAL CONNECT + SYNC
CONTROLS
* Enable advanced controls by connecting your JBL Tune FLEX to JBL Headphones App.
** ENABLE YOUR VOICE ASSISTANT THROUGH JBL HEADPHONES APP AND ASSIGN IT TO YOUR PREFERRED EARBUD (L/R).
*** Select the ear tips you are using for the best sound performance.
VOICEAWARE
power off
MANUAL SETUP
DO MORE WITH THE APP
CHARGING
LED BEHAVIORS
TECH SPEC
Model: | TUNE FLEX |
Driver size: | 12 mm/ 0.472” Dynamic Driver |
Power supply: | 5V ![]() |
Earbud: | 4.8 g per pc (9.6 g combined)/ 0.0105822 lbs per pc (0.021 lbs combined) |
Charging case: | 38.6 g/ 0.085 lbs |
Earbud battery type: | Lithium-ion polymer (54 mAh/ 3.85 V) |
Charging case battery type: | Lithium-ion polymer (570 mAh/ 3.85 V) |
Charging time: | < 2 hrs from empty |
Talk time: | 4.5 hrs |
Music playtime with BT on and ANC off: | up to 8 hrs |
Music playtime with BT on and ANC on: | up to 6 hrs |
Frequency response: | 20 Hz – 20 kHz |
Impedance: | 32 ohm |
Sensitivity: | 108 dB [email protected] kHz |
Maximum SPL: | 92.5 dB |
Microphone sensitivity: | -38 dBV/[email protected] kHz |
Bluetooth version: | 5.2 |
Bluetooth profile version: | A2DP V1.3, AVRCP V1.6, HFP V1.7 |
Bluetooth transmitter frequency range: | 2.4 GHz – 2.4835 GHz |
Bluetooth transmitter power: | <10 dBm |
Bluetooth transmitter modulation: | GFSK, π/4-DQPSK, 8DPSK |
Maximum operation temperature: | 45 °C |
TO PROLONG BATTERY LIFESPAN, FULLY CHARGE AT LEAST ONCE EVERY 3 MONTHS. BATTERY LIFE VARIES BY USE AND SETTINGS.
WARNING
DO NOT ATTEMPT TO OPEN, SERVICE, OR DISASSEMBLE THE BATTERY | DO NOT SHORT CIRCUIT | MAY EXPLODE IF DISPOSED OF IN FIRE | RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE | DISPOSE OR RECYCLE USED BATTERIES ACCORDING TO THE INSTRUCTIONS
Google, Android, and Google Play are trademarks of Google LLC.
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.
HP_JBL_TUNE FLEX_QSG_Global_SOP_V18
Documents / Resources
JBL TUNE Flex Earbuds [pdf] User Guide TUNE Flex, Earbuds, TUNE Flex Earbuds |