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Dwayne Johnson teamed up with Under Armour and JBL to make wireless headphones that won't fall off when you work out — here's what they're like | Business Insider
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Amazon.com: JBL Under Armour Sport Wireless Train – On-Ear Bluetooth Headphones with Microphone Made for Sport. Wireless Headset with IPX4 Sweatproof, Works with Android and Apple iOS (Black/Gray): Electronics
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