Specification | | Model | W-21 | | Tracking Method: | Optical |
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| Interface Protocol: | PS2 & USB |
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| Optical Sensor IC: | PAN3501 |
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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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| Cable Length: | 1.5M |
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| Mouse Resolution: | 1000 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): | 86 g |
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