Normally we can't wait to open our new toys and expose their inner workings... but we also love any excuse to pull out our handy dandy infrared camera.

Dots everywhere! The HDK 2's stand-mounted sensor tracks this constellation of infrared (IR) LEDs from one instant to the next, in order to compute the wearer's motion and position.

The lone USB 3.0 port, nestled onto the side of this headset, can be used to attach accessories as they are developed.