Genius MousePen i608. Connectivity technology: Wired, Device interface: USB, Working area: 150 x 200 mm. Report rate (pen): 100 pps. Battery type: AAA. Dimensions (WxDxH): 264 x 300 x 25 mm, Tablet weight: 0.6 kg, Pen dimensions LxD: 150 x 200 mm. Minimum system requirements: PC, Pentium 233 USB port CD/DVD-ROM, Compatible operating systems: Windows 7/Vista/XP/2000 MAC OS X 10.3.5++