Specifications:

Connection: USB type A male to PS/2 female
Compliant with USB Version: USB1.0/USB1.1
Compliant with HID Version: USB HID 1.1
Dimensions: 263 mm x 115 mm x 17mm
Unit Weight: 120g
OS Compliance: Win98/SE/ME/2000/XP, Mac OS9.0/OSX, LINUX