- For connecting a PS/2 mouse or keyboard to a USB connection ,- Additional shielding for good reduction of electromagnetic interference ,- The inner conductor is made of copper which ensures best transmission properties ,- Suitable and tested for USB 2.0, downward compatible to USB 1.1 ,- PC-99 colour coding prevents any confusion ,- Adapter cable, PS/2 socket - USB plug , ,System Requirements: ,- Operating system: Windows 10/8/7/Vista/XP and Mac OS 10.x - Quality: 3 Stars ,- Connection: Mini DIN Socket, 6 pins, 2x/USB-A Plug ,- USB Standard: USB 2.0 ,- Colour: Black 2 years legal warranty only