Features - Total 3 Normal Charging Ports plus a 2.4A Fast-charging Port1 Fast-charging Port up to 2.4A current output when Fast-charging port is working separately - Automatically assign current output for each USB Port when 4 Ports full-load/ 3 Ports working/ 2 Ports working - Total output is 2.5A output - Automatically detect your devices - Support charging i - Pad/ i - Phone or Smart devices - Support overcurrent protection - Wall-plug power supply, no need any additional power adapter - ABS+PC fireproof plastic materials - Original design, Private Tooling - Package Contents1 x Portable 4 Port USB Charge Station including a 2.4A Fast-charging Port