Specification | | Model | O-55 | | Tracking Method: | Optical |
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| Interface Protocol: | PS2 & USB |
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| Optical Sensor IC: | OM02 |
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| Switch Life: | 1,000,000 cycles |
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| Current Consumption: | 20 mA |
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| Button: | 3D3Key |
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| Mouse Resolution: | 800 dpi |
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| Operating Systems: | Windows 98/Me/2000/XP/Vista |
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| Certifications: | FCC, CE |
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| Mass weight (with cable): | 72 g |
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