Amazon.com: Retro-Bit Tribute 64 2.4 GHz Wireless Controller V2 for Nintendo 64 (N64), Switch Online, PC, MacOS, RetroPie, Raspberry Pi and Other USB Devices (Classic Gray) : Video Games
Nintendo 64 Wireless Controller for Switch Online N64 Official Limited Fast ship | eBay
The N64 controller for the Nintendo Switch is back in stock at the Nintendo store - The Verge