SIIG 4-Port USB Power Charger: * Compact design keeps charging area organized and uncluttered * Large silicon pads hold the charger steady on the desktop * Supports two 1A and two 2.4A USB-powered ports for charging low power and high power devices simultaneously * Charges up to 4 devices at one time to save you from continually switching devices * Built-in over-temperature and over-current protection to protect from unforeseen power spikes