The Traxxas® EZ-Peak Live™ App connects wirelessly via Bluetooth® to the Traxxas EZ-Peak Live multi-chemistry charger (#2971). The app transforms your iOS device into a powerful tool to access the charger’s advanced features with an easy-to-use graphical interface. Connect up to four chargers to your iOS device to monitor charge status, receive remote alerts, and access the charger’s manual settings. The Traxxas iD system is the easiest and most efficient way to charge your iD-equipped batteries