Each figure sits on a base that represents the film it comes from, inside of which sits a Near Field Communicationchip that lets it send and receive information to the videogame.
The single chip reduces power consumption by about 20% during both communication and stand-by, as well as decreases the production cost for mobile devices.
Each sock comes with its own RFID chip, which can be "read" by a NFC (near field communication) device known as a sock sorter, which in turn communicates via Bluetooth with an iPhone.