Trust Slimline Keyboard Aluminium KB-1800S BE. Device interface: USB+PS/2. Movement detection technology: High precision keys using scissor-type technology. Keyboard dimensions (WxDxH): 410 x 155 x 20 mm. Minimum system requirements: ACPI, Windows ME, 2000, XP, 2003 / X64, PS/2., Compatible operating systems: Windows ME, 2000, XP, 2003 / X64