With this app you will be able to connect and control the ELOC recorder via Bluetooth. For now that only works on Android devices.
More info at the Playstore:
For ELOC 3.0 and up:
https://play.google.com/store/apps/details?id=de.eloc.eloc_control_panel_2
For ELOC 2.7
https://play.google.com/store/apps/details?id=de.eloc.eloc_control_panel