Precise positioning, long-lasting life for 30 days.Using NB-IOT Internet of Things technology, Tonggu recognizes the status of the dog and thus saves power. The owner saves the trouble of frequent charging, and ensures that the tracker has enough electricity to recover when the dog is lost.With GPS, Beidou, Baidu WIFI triple positioning technology, it's positioning is faster and more accurate.The mobile phone opens the pet companion APP, which allows you to view the daily movement of the dog.One-button navigation function, help you find the shortest route to find your pet.Dog's sports bracelet, scientifically monitoring the amount of dog exercise.The charger interface is on the side of the tractor, so it can be charged without removing it, which is convenient to use.