iogear Laser Travel Mouse. Device interface: USB, Movement detection technology: Laser, Movement resolution: 1600 DPI. Cable length: 0.8 m. Mouse dimensions (WxDxH): 50 x 95 x 27 mm, Mouse weight: 300 g. Compatible operating systems: Windows 98SE, ME, 2000, XP, Vista Mac OS X 10.1.5 +