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J-Tech Digital: Scroll Endurance Wireless USB Mouse with Adjustable Sensitivity (600/1000/1600 DPI) [amazon.com]
[LIST][*]Unique ergonomic design with removable palm rest to reduce hand and wrist pain[*]Two thumb buttons can be used for back/forward browser navigation[*]Driver free 3-mode DPI shift:800/1200/1600DPI adjustable[*]High-resolution optical sensor with adjustable sensitivity for accuracy and responsiveness
[LIST][*]Unique ergonomic design with removable palm rest to reduce hand and wrist pain[*]Two thumb buttons can be used for back/forward browser navigation[*]Driver free 3-mode DPI shift:800/1200/1600DPI adjustable[*]High-resolution optical sensor with adjustable sensitivity for accuracy and responsiveness