Under Armour True Wireless Flash – Engineered by JBL | Truely wireless sport headphones for your every run, with JBL technology and sound.

Quick Start Guide & Downloads

FAQs & How-Tos

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aptX Audio Codec Support

This headphone does not support aptX, aptX HD, aptX Low Latency audio codecs.

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How do I get a secure fit with the Headphones?

First, it is very important that you use the correct size enhancers (rubber tips). While the tips may appear too large, these do not go all the way into your ear canal. The enhancers are supposed to fill the entire bowl (concha) of your ear, so please be sure to try both sizes to ensure a comfortable fit. To properly put them on, first make sure you have the Right and Left earbud in the correct ear. Next, gently insert the enhancer into your ear with a forward motion towards the jaw, twist and lock into place. If you’re unable to find a secure fit with both sizes in the box, we can send you a complimentary sizing pack with two additional sizes. Please email us from our Support Page at https://www.jbl.com/support-contact.html to request yours today.

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Is Volume Control Supported?

This headphone does not feature volume control. You must manually control volume from your device.

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TalkThru Technology

To activate TalkThru Technology, press the LEFT ear for a short press for 1 Second which allows you to clearly hear others for quick conversations without removing headphons. Music volume level should lower when TalkThru is engaged. Press again for 1 second to turn off Talk Thru.

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UA Flash: Ambient Aware Technology

To activate Ambient Aware DOUBLE CLICK the center button located on the LEFT ear. You should hear the music level drop. To resume to normal music level, DOUBLE CLICK the center button on LEFT ear again.

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UA Flash: AptX Support Information

The UA Flash does not support AptX or AAC audio codecs

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UA Flash: Call Information

To take a phone call, press the center button of the RIGHT ear for 1 second. To hang up a call, press and hold the center button on the RIGHT ear for 1 second. To ignore a call, press and hold center button for 3 seconds until music resumes.

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UA Flash: Charging Information

To charge the UA Flash, place inside charging case. While charging, both LEFT and RIGHT ear bud will display a sold red light. Once the headphones are fully charged. The red light will turn OFF. When the charging case is fully charged, the white LED's will light up accordingly: 0= 0% Dead 2-3 = 40%-50% 4=100% Full battery life

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UA Flash: Controlling Music

To pause/play music, press center button on RIGHT ear for 1 second. To skip tracks forward, DOUBLE CLICK the center button on RIGHT ear. Unfortunately, you cannot skip tracks backward.

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UA Flash: Pairing to a different device

To connect to a new device, begin with the headphones powered off and hold the center button on the RIGHT headphone for 5 seconds to enter pairing mode. You will hear the BT pairing audible chime as it searches for a different device. Make sure the device you are wanting to connect to is in range and BT is on. Once connected you will hear the audible Connected chime. Once Right ear is connected, press and hold the center button on LEFT ear for 3 seconds as it powers on and connects to the device followed by the same Connected audible chime.

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