RF Wireless Technology Provides a Clean, Uncluttered Workspace Free From Cables
Optical and Digital Technology: Latest Optical Design and Digital Signal Processor Provide High Accuracy and Precision Movement
Faster Data Input: Low-Profile Design Allows for Convenient Data Input; Ideal for Spreadsheets, Accounting and Financial Applications
Power Supply: 4 x AAA Alkaline batteries
Compatible with Windows 98SE, 2000, ME, XP, with 1 USB port