USB Keyboards & Mice
The Replay1 (Daughterboard) /Replay2 base currently accepts hardwired keyboards and mice and Wireless keyboard and mouse USB dongles.
Apart from this, the Replay2 optionally may support or in the future, Wireless & Bluetooth on board. See link for more.
Note: Depending on firmware & cores etc this may or may not include all models of wireless keyboards or and mouse usb dongles.
USB Joysticks
The Replay1 (Daughterboard) / Replay2 baseboard should work with or be able to support joysticks via currently the serial or usb interface.
Note: Depending on firmware & cores etc this may or may not include all models of usb joysticks or and usb gamepads.
Serial to USB adaptors
Serial to usb adapters such as the Tom and Jerry & JP mouse / Rys MkII & MKIV Amiga USB etc should also work.
Note: Depending on firmware and or cores etc, these may or may not work until tested fully on the Replay1 (Daughterboard) / Replay2 baseboard.