This adapter is January 1 x 1 plug-and-play USB
MIDI Keyboard Interface Converter which a fast MIDI input and output for the computer.
The adapter 1 x 1 is bus-powered and provides status indicators for incoming and outgoing signals on or off.
Supports Windows XP, Vista and Mac OS X operating systems.
1 MIDI input and output
Ultra-fast MIDI response
Active Message Filter
MME, DirectMusic and Core MIDI support
Multiple device support