1) Bluetooth based devices can be only used with Windows ES or Windows ES W7 based devices, you are required to install the needed drivers.
2) Other wireless (none Bluetooth) devices can normaly used with the IGEL OS's.
3) The IGEL Thin Clients are low voltage devices, make sure that the device do not consume more power as defined by the USB specification's (5V at 0,5A = 2,5w). A couple of devices do require more power and then the mouse or keyboard will not work or work stable.
Test this in advance, we don't provide any list here and you are fully responsible for this at all!