It's one of the most expensive armbands we've ever seen, but XtremeMac's Sportwrap LED ($80) has a pretty novel feature: this iPhone 5- and iPod touch 5G-compatible athletic accessor straps your device to your arm, and even lights up. A light system with two red and two white built-in LEDs is charged with an included Micro-USB cable, turning on solidly to provide extra visibility at night, or flashing red then white for emergencies. The iPhone 5 fits…
