Although it should work - and we promise you it did work - something has broken functionality working with the LE friend. So we aren't officially supporting this right now
Update it to 0.8.1. Easiest way to do this is to connect to using the Bluefruit app - it will auto-update it if required.
Plug it in
Set the switch on the device to CMD mode
Open up a serial terminal and connect to the device (See here for exact settings for your Operating System)
Turn on HID Mode. More info here. To be precise - enter this into your serial terminal
(You should see 'OK' after each entry)
Next change the default speed. i.e. enter this in your serial terminal:
Next put the device into DATA mode (slide the switch).
Finally - update the relaykeys.cfg file with
(Or whatever speed you so wish)