Unfortunately most device manufacturers use custom data that make it difficult to add native support for the device. Some devices, such as the n52 and n52te, have an option in the software to use a Direct Input mode (n52 lets you assign "DI Button"), which Inner Space supports. I don't know if the Razer software has this option, but if they do, then that's the trick Alternatively, if it will let you emulate presses of F13-F24 (keys which don't appear on your keyboard anyway), those should work fine.