The Wii U wasn't Nintendo's most popular console, but the Wii U Pro Controller is an *awesome,* frequently-overlooked controller. I use mine for PC gaming with a cheap USB dongle and it's
Original Nintendo Wii U Pro Controller - Great Working Condition! | eBay
Nintendo Wii U Pro Controller - The Cheap Chinese Version - YouTube
NEXiLUX NXL-WU001 Wireless 3-in-1 Classic Pro Controller Gamepad for Nintendo Wii U, White