UA Sport Wireless Flex – Engineered by JBL

UA Sport Wireless Flex – Engineered by JBL

Wireless neckband headphones with all-day comfort and secure fit and safety for sport

Sold from 2017 until now

Documents & Downloads

Product Specifications

Driver size (mm)
Dynamic frequency response range (Hz)
Number of drivers per ear
Headphone cable length (cm)
Headphone cable length (ft)
Headphone cable length (m)
Weight (g)
Weight (oz)
Bluetooth version
Bluetooth profiles
HFP v1.6, HSP v1.2, A2DP v1.2, AVRCP v1.5
Bluetooth frequency
Bluetooth transmitted modulation
Bluetooth transmitter power
<4 dbm
Charging time (hours from empty)
Maximum music play time with ANC off (hours)
Maximum talk time (hours)
Maximum play time (hours)
Siri/ Google Now
4-Button Remote/ Mic
Hands Free Call
JBL Charged Sound
RunSafe LED
Sweat Proof
Flex Zone
In-ear neckband
Speed charge
Rechargable battery

Made to Move in Every Way You Do.

UA Sport Wireless Flex headphones deliver secure fit for sports and all-day comfort. Flex zones adjust to find the perfect fit no matter the activity. UA Sport Wireless Flex headphones drive your workouts thanks to their big, powerful JBL Charged Sound. And Bluetooth® wireless enables easy, cord-free connection. UA Flex headphones are sweat resistant with advanced nano coating. Stay safe after dark with the new RunSafe™ LED. A long-lasting 11-hour (max) battery features Speed Charge to deliver up to an hour of playback on just five minutes’ charge. Control music, volume, calls, mute and unmute the mic when you’re in a call, and even activate Siri® or Google Now™ with a long press.

Always-ready neckband features a flexible fit to stay secure during sport or loosen for all-day comfort.
Choose between winged and wingless ear tips that are easy to switch out for maximum security.
Wireless sound that lasts long and recharges quickly: up to one hour of playtime on just five minutes’ charge.
Brilliant white safety light keeps you safe after dark with a choice of three flashing modes; multifunction button also mutes mic in calls and triggers Siri® or Google Now™.
Easy-to-connect Bluetooth® technology delivers cable-free, zero-distraction performance.
Bold sound tuned for sport with rich bass to crush your workout.
Convenient storage and portability.
Rugged design, tested by athletes to withstand sweat and the demands of training.
Simple four-button controls, finished in textures and shapes designed for easy access and with highly tactile feedback when pressed.

FAQs & How-Tos

10 results
  • The UA Sport Wireless Flex can be paired to multiple devices but cannot connect to more than once device at a time.
  • Yes. You have the ability to control the volume which is located on the RIGHT arm of the neckband.
  • Press the microphone button (located on the LEFT arm) to turn on the first RunSafe mode. The first mode blinks continually. When you press the microphone again, the second mode is initiated which features 2 blinks on followed by 2 seconds without. Pressing the microphone again is the third mode which is 3 blinks on followed by 3 seconds without.
  • Make sure the headphones are turned on and connected to your smart device. Press and hold the Microphone button located on the LEFT arm of the neckband. You should be able to activate Siri/Google within 3 seconds after pressing the Microphone button.
  • You can bend the ‘arms’ of the neck in and out to get the optimum fit for your exercise/level of activity. The flex zone is the black rubber part on the neckband.
  • The UA Sport Wireless Flex has size 3 (wingless) and the larger size 5 (winged). It also features three sizes of the small, medium, large inner ear tips. The unit comes with the size 5 Medium in ear tip on the unit out of the box.
  • Yes, the UA Sport Wireless Flex has an IPX5+ rating which makes it resistant to sweat and moisture.
  • The headphones feature a Speed Charge battery which allows you to receive a full hour of playback time after only charging the headphones for 5 minutes. To receive the full 12 hours of audio playback, it typically takes 1.5 hours of charging time.
  • Press and hold the circle power button for 3-5 seconds. This will be located on the LEFT arm of the neckband. We recommend having one or both ear tips in your ear to listen to the audio commands. Continue to press and hold until you hear the audible voice stating, “powering on.” If this is your first time powering on the headphones it will automatically go into pairing mode in which you will hear the audio voice prompt stating “looking for device”. Make sure that the device you are attempting to connect to is in the Bluetooth search mode and within range. UA | JBL Flex should appear on your device within 3-8 seconds. Once you choose this option on your discoverable devices, it will connect and the voice prompt will state “Connected. “ To power off the headphones, press and hold the circle power button for 2-3 seconds or until you hear the audible voice state, “Powering Off”
  • To skip the track forward, press and hold the volume up button. (+) If you want to skip backward, press and hold the volume down (-) The volume buttons are located on the RIGHT arm of the neckband.

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