Jawbone today announced its third portable Bluetooth speaker, the Mini Jambox. Designed to complement the existing Jambox and the Big Jambox, the Mini Jambox is similar in size to the standard Jambox, but thin enough to slip into a pocket. The Mini Jambox is 0.96 inches wide, 2.28 inches tall, 6.06 inches long, and it weighs nine ounces. In comparison, the original Jambox is more than an inch...