25.09.2015 18:20 Uhr, Quelle: Engadget

Bone conduction headphones let me ditch the boombox, but still cycle safely

Long bike rides are an easy way to burn calories without terrorizing your knees, but it helps to have some tunes to keep things fun. My rides usually take me through bustling urban streets and isolated stretches of waterfront, so pumping out a soun

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