Outline Enable Device in BioExplorer - Optima+ Connect Biofeedback Device - Optima+ Open BioExplorer Device Manager - Optima+ Add Device - Optima+ Select Device - Optima+ Select Settings - Optima+Load Channel Settings - Optima+ Check Connection - Optima+ Next Connect USB dongle key. USB dongle key must be plugged in. BioExplorer software will not run without the USB key. Open BioExplorer BioExplorer Program Opened No design has been loaded yet.