Amazon.com: 2 Pack Classic N64 Controller, suily Game pad Joystick for 64 - Plug & Play (Non PC USB Version) (Transparent Orange/Transparent Blue) : Video Games
N64 Blueretro Wireless Controllers Adapter 1 to 4 For N64 Nintendo 64 Compatible with PS5 PS4 Switch Xbox Controller _ - AliExpress Mobile
This DIY kit lets you use an old Nintendo 64 controller wirelessly with the Switch - The Verge