Give yourself an extra edge when you play your favorite Nintendo DS, Game Boy Advance SP and Game Boy Micro games with the GameShark Duo. Discover codes for infinite health, ammo and time. Unlock secret levels, characters and vehicles.Connect the included USB cable to transfer saves from your Nintendo DS game cartridges to your computer and download saves from GameShark's Web site. The Karabiner plugs into your Game Boy Advance SP or Game Boy Micro and provides access to thousands of codes for hundreds of your favorite games. The edge you've been looking for is here with the GameShark Duo.
