Too many devices, too little space on your desk? Have no fear, with the XPower X4PA 4 port USB Smart Charger you will be able to charge up all your USB devices with no fuss. In the current digital era, most of us have more then 1 USB device to charge up and with limited power plug available on the desk you will normally have to charge up one at a time, remove that inconvenience by using the X4PA with 4 USB port.