Madictech is proud to present the smallest GPS tracking device in the world. No better than ordinary game big this is a simple set up and use. A SIM card inserted into the track and is called, it returns a message to coordinate its position. This device is very small, can hide anywhere, people in the automotive, equipment, kids and many more uses. Tracking system also integrates a microphone, you can hear people use it the SOS button, and will use SMS to remind you. It is equipped with a charger, two batteries, instructions and completion.