Get ready to unlock the full potential of your Nintendo Game Boy Color or Game Boy Pocket with the GameShark V4.0 Video Game Enhancer. This amazing device allows you to access cheats, secrets, and other hidden features in your favorite games. Whether you're looking for unlimited lives, invincibility, or just a little extra help, the GameShark has got you covered.

Designed for use with Game Boy Color and Game Boy Pocket games, the GameShark is the ultimate tool for any serious gamer. Simply insert your game cartridge into the GameShark and enter the codes for the cheats you want to use. With its powerful features and easy-to-use interface, the GameShark is the perfect addition to any gamer's collection.

It has not been tested in years but has been stored safely and has stayed in excellent condition.