Get voice alerts when the battery is fully charged until you unplug the charger and when the battery is low. Record your own voice and set it for battery full/low alerts, which helps you to get the alerts in your own voice and language. A Beep, alerts for every unit decrease of battery power. App auto starts when the mobile is restarted. You can also enable/disable alerts in silent mode and set the number of times to alert when the battery is low. Compatible with S^3 / Anna / Belle Smart Phones.