Based on this product's specifications, here are some alternatives and similar models
DeLOCK USB to PS/2 Adapter 0.17m 2x 6-p Mini-DIN USB A
Summary description:
The DeLOCK USB to PS/2 Adapter allows you to connect PS/2 devices to USB ports. It features a cable length of 0.17m and connectors including 2x 6-p Mini-DIN and USB A. This adapter is ideal for users needing to use older PS/2 peripherals with modern USB interfaces.