Welcome to CHEAP, our series about things that are good, but most of all, cheap. CHEAP! Running is great fun, but if you want to keep your running tempo going, you’ll need some catchy music. Unfortunately, regular earphones might not do the trick. That’s why you should opt for a wireless sports earphones that won’t fall out of your ear. And what’s better than the JBL Under Armour Sports wireless earphones that are selling for just $29.99, down from $119.96? Yeah, you read that right: a full 80 percent off! JBL and Under Armour have worked together to create a pair of…

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