When using WIDI Uhost as a USB host, it supports most plug-and-play ”class compliant” standard USB MIDI devices. If your USB MIDI device matches one of the following conditions, it will not be compatible with WIDI Uhost: USB devices that require the installation of special drivers are not supported. USB devices that include USB hub

As WIDI devices pair automatically, it is likely that they’ve paired to each other instead of with your BLE MIDI device. Please check if your WIDI indicator led lights up blue consistently. Normally in this situation, your WIDI device already – automatically – connected to another unit or other BLE MIDI device. Also, with iOS