FreedomScope, a Bluetooth-packing untethered stethoscope. The 3M Littmann Electronic Stethoscope also relies on Bluetooth for wireless communications, but its purpose is somewhat different. While it looks (and for the most part acts) just like a normal stethoscope, it also has noise canceling / sound augmenting technology alongside the ability to record heart and lung sounds, which may then be analyzed using the bundled Zargis StethAssist software. It's a bit on the pricey side at $379, but should be welcomed with open arms by collaborating diagnosticians and avant-garde concert bootleggers.
[Via MSN Money; Thanks, Will]