M-Audio MIDISport UNO USB Bus-Powered MIDI Interface - $25 (newhall)

Used MIDISport UNO USB Bus-Powered MIDI Interface 1 Input / 1 Output Cable Style for Mac and PC.
Their smallest and simplest USB MIDI interface, USB Uno offers basic 1 x 1 operation and bus-powered mobility—and even comes with it’s own built-in USB and MIDI cables.
Features 1-in/1-out MIDI interface 16 MIDI input channels 16 MIDI output channels Bus-powered—requires no external power supply Extremely compact and lightweight for mobile or desktop use Built-in USB and MIDI cables Compatibility MME Mac OS X Core MIDI Minimum System Requirements (PC) Windows 98SE / Me / 2000 (SP4) / XP (SP2)* / Vista (32 bit) / Windows 8, 8.
1 and Windows 10 * Home and Professional Edition only.
Windows Media Center Edition is not supported.
Minimum System Requirements (Mac) OS X all instances up to 10.
12.
1