This product connects the XBox to TVs with audio and composite video input terminals. Use S-Video or regular AV Capabilities. Third Party product. Japanese version compatible with all XBox consoles sold worldwide.
Original Power Cable for the Xbox 360
Modders don't want to buy a complete power supply to test out Slims. Instead of having 2 PHAT power supplies, just just your normal power supply and then plug in the adapter when you want to test out a slim. Cheaper, cleaner, and easier.