Hiward Electronics Investment Co., Ltd.  

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3D optical mouse Resolution:
800dpi(3000 frames/second) Deluxe ergonomics design to comfortable hand touch;
Fit for your left and right hands;
No need of dust cleaning;
Accurate definition and sensitive operation;
Long keys life: Over 1, 000, 000 times;
Comfortable for office, home and game use;
PS/2, USB, Combo(U+P) available;
Compatible with IBM/PC Windows 9X/2000/Me/XP/NT;
Mouse measurement: 105*59*37MM