Vintage Microsoft Internet Keyboard Pro (Model RT9421 / Part No. X04-86370) Tested and all functions and USB are working properly.​Up for sale is a authentic vintage Microsoft Internet Keyboard Pro featuring a built-in 2-port USB hub and dedicated top multimedia/internet hotkeys.
​Condition: Pre-owned. Please examine photos closely for exact cosmetic condition.​Functionality: Tested and working. All keys, function buttons, and side USB passthrough ports operate properly.
​Connection: Standard wired USB cable (plug and play on Windows 10/11).
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