Over the type-C port they receive video, receive audio, receive power (<5W), transmit sensor data (accelerometers, orientation, etc), and receive commands such

Over the type-C port they receive video, receive audio, receive power (<5W), transmit sensor data (accelerometers, orientation, etc), and receive commands such as switching to a 3-D display mode. They're pretty great and I think the market segment will grow over the next few years. One correction, the screens are actually located in the temple part of the glasses facing downwards, but they are reflected so they appear as if they are in front of your eyes.