Master System / Mega Drive 9-pin Controller Extension Cable For the SEGA Master System, Mega Drive & many other systems A simple controller extension cable to allow you to sit further away from the console. Just plug one end into your console and your controller into the other end. It's based on the "Atari 2600 joystick port" which was a very common 9pin D plug port used to connect various gaming controllers to game console and home computer systems in the 1970s to the 1990s. It was originally introduced on the Atari 2600 in 1977 and then used on many more systems. Compatibility: SEGA Master System 1 SEGA Master System 2 SEGA Master System 3 SEGA Mega Drive 1 SEGA Mega Drive 2 SEGA Genesis 1 SEGA Genesis 2 SEGA Genesis 3 SEGA Multi Mega SEGA CDX SEGA Nomad SEGA SG1000 (All variants) SEGA SC3000 Atari 2600 (all models) Atari 400 Atari 800 Atari VCS Atari 7800 Atari ST VIC-20C-64C64GSAmiga CD32AmstradCPC MSX SinclairOld Computers with Serial ports Any other system using a 9 pin connector of this shape Length: 180cm