Geneva Lab has unveiled its new Model XS sound system for the iPod, iPhone, iPad, and other portable media devices. Yet to receive a formal debut in the U.S., the Model XS is a portable audio system featuring a flip-open design inspired by classic travel clocks, a sturdy, integrated leather-like clamshell case, two one-inch tweeters and a 2.25-inch woofer—individually powered and chambered for improved sound—Bluetooth 2.1 A2DP for wireless…