Sanoxy USB to USB Midi In & Out interface Cable. USB Midi Cable Lead Adaptor for Musical Keyboard to PC Laptop XP Vista Win 7 Mac. Easy to install with built-in driver; USB powered, no AC adapter needed. 1 in + 1 out MIDI interface; 16 MIDI input channels & 16 MIDI output channels LED power indicator; MIDI in & out signal indicator; Supports: Windows and Mac. Built-in USB cable and MIDI extension cables; Fast and stable MIDI data transmission. Turn your PC into a music studio by connecting a music keyboard to your computer with the USB MIDI cable.