2.4GHz USB Wireless Optical Pen Mouse Smart Mouse for PC Laptop Computer (Grey)

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Feature

2.4GHz wireless mouse, up to 10m effective distance
It has 3 group adjustable DPI: 800, 1200, 1600
Designed with a wheel for page turning during PPT presentation
Ergonomic design:Fits comfortably on your hand, pen-shaped, perfect for handwriting input and graphics design.
System requirement: Android OS,Windows7/8/Vista/XP/2000, Linux, Mac OS (with standard USB interface)