The smaller Big Blue Live system measures 4.9” wide, 2.5” deep, and 2.25” tall—a little taller and noticeably narrower than the Jambox, but somewhat deeper. There’s just enough space on its top to rest your iPhone or iPod touch directly on top without having anything hang off the sides, and once the system is completely turned on with its volume set to your preferred level, you could actually do this; otherwise, you can…