High-quality versatile adapter cable. Featuring a 9-pin Mini DIN (female) to a 7-pin DIN (male) connector. Dual Compatibility: Bose Systems: Perfect for adapting audio interface connections in Bose Lifestyle and Acoustimass series. Sega Genesis 3 (& Model 2): Works as an adapter/extension for the 9-pin AV output found on Sega Genesis 2 and 3 consoles, converting it to a 7-pin interface. Condition: Great working condition. Function: Analog audio/video signal conversion. Durability: Solid pins and connectors for a reliable connection.