USB Type B Male Parallel, Serial & PS/2 Adapters/Converters

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PTC Black High Speed USB 2.0 to Serial RS-232 DB-9 Converter with 3ft USB Cable
Brand New
S$ 21.43
S$ 29.37 shipping
11 watching
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PS/2 Keyboard/Mouse to USB Converter Adapter
Brand New · Unbranded
S$ 11.36
S$ 30.00 shipping
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PS/2 Keyboard/Mouse to USB Converter Adapter New Computer
Brand New · Unbranded
S$ 14.12
S$ 30.09 shipping
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USB 2.0 to Serial RS-232 DB-9 Converter with 3ft USB Cable
Brand New · Unbranded
S$ 22.85
S$ 30.34 shipping
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