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JBL's X Under Armour Train is a wireless on-ear headphone that lets you exercise to your favorite beats.

Published:Caption:Photo:Aloysius Low/CNET

While rather a tight fit, the ear cushions are Under Armour's SuperVent fabric to keep things cool and sweat resistant.

Published:Caption:Photo:Aloysius Low/CNET

The Under Armour logo features prominently...

Published:Caption:Photo:Aloysius Low/CNET

...because it's also a button you can push to activate a feature called TalkThru, which lets you hear people talking to you while still listening to your music.

Published:Caption:Photo:Aloysius Low/CNET

The headband is antislip and has vents to keep things cool.

Published:Caption:Photo:Aloysius Low/CNET

They also fold up to a more compact size. 

Published:Caption:Photo:Aloysius Low/CNET
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