Features: Brand new ergonomic fish design, comfortable hand touch Scroll up and down directly without moving your hand Accurate definition is 800DPI and sensitive operation Switch vertical to horizontal wheel USB bi-purpose functions for all computers Specially designed to fit your Notebook computer Come with USB retractable cable and USB converter connector for easy use Compact size is ideal for carrying with notebook Works with OS Windows 95/98ME/NT/2000/XP Size: 78*55*18 mm Weight: 93g.
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