BLED112 Bluetooth Low Energy Dongle with WEC7

I’m trying to get this Bluetooth dongle (BLED112) to work with WEC7 on a Toradex T20. When the dongle is inserted, I get a dialog asking for a driver. I’ve tried usbser.dll and bthusb.ser but neither seem to work. Has anyone been able to get this combination working?

You should ask the dongle manufacturer to provide a WInCE driver .