Fangrui Product Details Turn Your Pc Into A Music Studio By Connecting A Music Keyboard To Your Computer With The Supplied Usb Mini Hd Cable. 1 In 1 Out Midi Interface; 16 Mini Hd Input Channels 16 Mini Hd Output Channels. Usb Powered, No External Power Needed, True Plug And Play. Compatible With Most Mini Devices Like For Yamaha, Roland. Supports For Windows Vista/xp, Win7, Win8, Win10 And For Mac Os X Operating Systems. Instructions For Use: 1. Connect The Cable Marked In To The Mini Hd Out Socket Of A Mini Keyboard (or Mini Device). 2. Connect The Cable Marked Out To The Mini Hd In Socket Of A Mini Hd Keyboard (of Mini Hd Device). 3. Plug The Usb Cable Into Any Free Usb Socket On Your Computer. 4. Open Your Music Software Program, E.g. Cubase, Sonar, Mini Hd Connections, Etc. 5. Set The Music Programs Mini Hd In And Mini Hd Out Devices To Usb Audio Device. 6. Your Usb To Midi Interface Is Now Ready For Use. 7. To Save Potential Problems, It Is Recommended That This Interface Is Connected To The Same Usb. Specificat