Canyon CNR-MSL8M. Device interface: USB, Movement detection technology: Optical, Movement resolution: 800 DPI. Cable length: 1.5 m. Mouse weight: 0.11 kg. Package weight: 0.21 kg. Compatibility: PC, Compatible operating systems: Win 2000/XP/Vista, Mouse dimensions (WxDxH): 64 x 115 x 42 mm