I've taken as many photos as I can to show exactly what you're getting so please see photos for full condition.
Original SEGA Mega Drive Master System AC Mains Adapter Power Supply 1636-05
Original SEGA Mega Drive Control Pad
Retro-Bit BIG6 2.4 GHz SEGA Mega Drive Wireless Arcade Controller Pad for SEGA Mega Drive Original/Mini Switch PC & Mac - Black
Retro-Bit Sega Mega Drive 2.4 GHz Wireless Controller 8-Button Arcade Pad for Sega Genesis Original/Mini, Switch, PC, Mac - Includes 2 Receivers & Storage Case (Crimson Red) (Nintendo Switch)
Retro-Bit Sega Mega Drive 2.4 GHz Wireless Controller 8-Button Arcade Pad for Sega Genesis Original/Mini Switch PC Mac - Includes 2 Receivers & Sto
