Fujitsu Optical Wheel Mouse Tilt. Device interface: USB+PS/2, Movement detection technology: Optical, Movement resolution: 1000 DPI. Cable length: 1.85 m. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 60 °C. Mouse weight: 120 g. Compatible operating systems: Microsoft, Windows 2000, Microsoft Windows XP, Microsoft Windows Vista