Roland UM-ONE mk2 tested with Roland JV-1010 & GM music - YouTube
Roland UM-ONE mk2 USB Midi Interface for sale online | eBay
Roland UM-ONE mk2 USB Midi Interface for sale online | eBay
Amazon.com: HQRP USB IN-OUT MIDI Interface Cable Converter PC to Music Keyboard Adapter Cord fits Roland A-800 Pro USB MIDI Controller Keyboard : Musical Instruments