Download the free app from the iTunes store and attach your iPhone/iPod Touch (sold separately) to your TechPet to bring you very own virtual puppy to life! The TechPet responds to gesture and voice commands from the trick mode list and walks, sings, dances, shakes its head and wags its tail. Raise your TechPet to unlock new voice and gesture commands, play games and even your music through the built in speaker. Connect multiple TechPets together to unlock new features and group interactions. Requires x AA batteries. Works with iPhone 3Gs, 4, 4s.