The PC Station is loaded with five USB ports, four that use the newer USB 3.0 technology and one that uses USB 2.0, but this USB 2.0 port is designed for a small Bluetooth dongle that corresponds with the included Bluetooth keyboard and mouse.

WSJ: A PC and Tablet 'Brick' for the Price of One

Some other differences: the Mobile Mouse requires a dongle, whereas the Comfort uses Bluetooth.

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Similar to any DSS system, one of the Vertus dongles (the right channel, in this case) acts as the master to receive the stereo stream from a Bluetooth source, and then it'd throw the left-channel stream to the other dongle.

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