Apple's Beats division just dropped what might be their most ambitious earbuds yet – the Powerbeats Pro 2. After nearly six years since the original hit the market, Beats has officially unveiled a successor that's not just about pumping out bass-heavy beats. These earbuds can literally read your pulse while you're crushing your workout playlist. At $249.99, they're positioning themselves as the ultimate fitness companion for Apple ecosystem users who demand more than just great audio. What ...