<<Compatible Models>> Sega Mark III, SG-1000 II (SG-1000 initial model not supported due to lack of +5V) <<Compatible Controllers>> Mega Drive (Confirmed to work with 6-button controllers, including those with rapid-fire functions) (Malfunctions were confirmed with some 8bitDO controllers. Products not from around 1990 may behave differently when the SEL signal is not connected.) <<Functionality>> This is a conversion cable that allows you to use a Mega Drive controller on a Mark III, etc. (Only the conversion cable will be shipped) Created by cutting a new extension cable and attaching a male connector. <<MODE Button>> For 6-button pads, booting in 3-button mode by using the MODE button at power-on is standard. Operation confirmed with Fantasy Zone on the Sega Mark III. <<Shipping and Pricing>> Free shipping via Yu-Packet Post Mini. Multiple items can be shipped together. Related products are also listed on Yahoo! Flea Market. Shipping notification: The shipping notification will be sent through the system's shipping date and time notification. Immediate shipping upon payment. No need for greetings or payment confirmation. Returns are possible, but the buyer is responsible for return shipping costs. The manufactured products are currently only listed on major sites and BOOTH. Due to their popularity and good sales, we have discovered that images are being used on fraudulent websites. Please be careful. Mark III Mark 3