Zephyr 550 ($160) is Spar's take on a portable Bluetooth speaker system à la Jawbone Jambox. While the industrial design is a little bit different -- this one is encased in aluminum rather than rubber -- the concept is pretty much the same. You can connect your Bluetooth enabled devices and pump out audio at a higher level than they otherwise offer, as well as use the device as a speakerphone. One distinct advantage Zephyr 550 offers is the ability…
