Charge up to four devices quickly and efficiently! This 4-port USB direct-plug wall charger works with MP3, GPS, smartphone and tablets including iPad, iPhone, iPod, HTC One, Nexus 4, BlackBerry, Samsung Galaxy Tab/Note, and Android devices. Shared 4.5Amps provides fast charging for devices that need it. Smart chip automatically detects Apple or Android devices for intelligent charging. Light weight and compact make it ideal travel accessory. Features built-in over-current, short-circuit protection and folding AC power plug. UL, FCC & CE Certified and RoHS compliant. (Connectors: 4 USB A Female / Input Voltage: 100-240v / Output Voltage: 5vDC 4.5Amp or 22.5Watts / Power Connector: 2-Prong / Color: White)