Powerful battery: more than 5000 mAh for a complete charge of your products. Features: Smart lights: the 4 blue LEDs indicate the remaining capacity of the charger Smart IC smart charge: detects your type of device so as to charge it as quickly as possible, up to 2.1A Compatible with devices powered with 5V via a USB cable: iPhone, iPad, Smart phones and all Therm-ic products Slim Universal Power Bank (5000 mAh)