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JBL Under Armour Project Rock True Wireless X Sport In-Ear Headphones Black UAJBLROCKXBLKAM - Best Buy
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JBL Under Armour Project Rock True Wireless - True wireless earphones with mic - in-ear - Bluetooth - black - Walmart.com
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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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