Amazon.com: Keyboard and Mouse Adapter RALAN,Controller Converter Adapter for Nintendo Switch/PS4/PS4 Pro/PS4 Slim/XBOX/PS3/PS3 Slim Keyboard Adapter. Perfect for Games Like FPS, TPS, RPG and RTS, etc : Video Games
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Amazon.com: Wired Keyboard and Mouse Adapter for Nintendo Switch/PS4/PS3/Xbox One/Xbox 360 Host Series & for Nintendo Switch Console, Mouse and Keyboard Converter Support Custom Mapping & Reset Button Function : Video Games
PS/2 Keyboard to USB Adapter - F/M - PS/2 Cables | StarTech.com