Zignum MOU-ZG-525.P. Device interface: USB, Movement detection technology: Optical, Movement resolution: 800 DPI. Cable length: 1.5 m. Mouse dimensions (WxDxH): 60 x 110 x 40 mm, Mouse weight: 100 g. Certification: CE, FCC, RoHS. Compatible operating systems: Windows ME/2000/XP/Vista