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Logitech Cordless TrackMan Optical Trackball
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 Inter navigation Scroll wheel and drag-lock button for easier maneuverability Patented optical technology delivering smooth tracking and superior precision Virtually maintenance-free 72 pointing devices wireless operating distanceInter Service Provider (ISP) account required for full WebWheel software functionalityCompatible with Windows 98 7 XP Vista Mac OS 10.4 or limited warrantyIncludes wireless receiver USB to PS/2 adapter and 2 AA batteries No cord, no clutter, no hassle cordless freedom, optical precision Comfortable, right-handed shape with a large, finger-controlled trackball Advanced buttons for easy navigation, plus a scroll wheel Smart power management keeps battery

Price is $400.00
Price: $399.95