On the original Ditto, the mini USB2 input on the right hand side enabled software updates only – with the X2, its used to import or export audio files from your computer.
You could for example, make the perfect loop with the X2, save then back up via the USB, tweak in your favourite audio software, then import it back into the X2 as a backing to solo over.
There are two small toggle switches one each side of the main volume knob.
On the left, the switch selects between storage (holding in the up position clears the storage) and volume of imported loop, whereas the right selects between using the right foot pedal as as a dedicated stop or one of the two effect.
There is also the option to use batteries this time with space for two 9 volt batteries in a compartment underneath. This compartment also features dip switches to change the order of functions:
i) Loop —> play —> record
ii) Loop —> overdub —> play