Packing four sensors into a housing smaller than an iPod Nano, the CORE 2 will be the smallest wearable multi-sensor device of its kind as well as the first to offer a choice of interchangeable jewelry- like faceplates, straps and cuffs for a fashion look.

ENGADGET: BodyMedia's CORE 2 armband tracks your health, or lack thereof

Of the four possibles, Kaos Alliance seems most likely as it is not grouped with the others ( Nano Force, Super Force and Swap Force) .

FORBES: Will Next Skylanders Game Be Kaos Alliance, Swap Force, Super Force or Nano Force?