5-PACK - Full Retail-Boxed Package with Mfg Warranty - For Windows XP & Windows 2000 Professional and Mac OS 10.1 to Mac OS 10.2.x (excluding Mac OS 10.0) ...
A large finger-controlled trackball - True cordless freedom for desktop flexibility - Reliable digital radio technology that requires no line of sight - Forward and back buttons for faster Internet navigation - Scroll wheel and drag-lock button for easier maneuverability - Patented optical technology delivering smooth tracking and superior precision ...
A comfortable design for either hand - Precise fingertip control - Four buttons - WebWheel software to enhance Internet browsing - Easy to install and set up - ...