Four USB ports to allow multiple devices to be charged simultaneously (PLEASE NOTE: If all 4 ports are used at the same time each port will receive a maximum of 1.2mA) Up to 2400mA per port for fast charging (When using 1 or 2 ports ) Fully ErP stage II compliant max output 4800mA

So will charge 4 x phones or 2 x tablets simultaneously

Blue LED power on indicator