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Dwayne "The Rock" Johnson, JBL and Under Armour introduce noise-canceling sports headphones with up to 45 hours of battery life | gagadget.com
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Amazon.com: Under Armour UA True Wireless Flash Project Rock Edition Headphones OSFA Black : Electronics
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UA Project Rock True Wireless – Engineered by JBL | True wireless sport headphones to maximize each and every workout, with JBL technology and sound
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