AC power adapter allows you to easily adapt your Ziplinq retractable charging cable to work from any 110VAC outlet. Use this compact, convenient USB-based adapter to charge your iPod or MP3 player at home, on the road, or whenever your iPod or MP3 palyer is not connected to a computer. Have fun and heighten your playing experience with the GBA by using the Universal Link Cable to hook up Game Boy Advance and Game Boy Advance SP for simultaneous play. Plugs directly into the power port of your GameBoy Advance S and Connects any 2 Gameboy Advances any model including Game Boy Advance, Advance SP.