JayBird has announced the Freedom Sprint ($129), a new pair of wireless Bluetooth earbuds. Also known as JF4, Freedom Sprint is 40 percent smaller than Jaybird’s prior-generation JF3 Freedom earbuds, reviewed here, and offer a slightly diminished 4.5 hours of playtime for wireless music and calls, sport-ready ear grips, and micro-USB charging. Unlike competitors, JayBird also offers a lifetime warranty against sweat, as well as a free three-month…
