Exclusive PowerIQ Technology: four ports with PowerIQ detect your device to deliver its fastest Guaranteed Safety: fully certified design, industry grade materials and premium circuitry ensure superior performance and reliability. 110-240 volt input ideal for international travel. 4 Ports USB Charger with 500W 4.2A, compatible with iPhone, HTC phones, Samsung Galaxy Tab, Samsung Galaxy Phone, Samsung Galaxy Note, Blackberry, MP3 players, Digital Camera, and other USB devices. Line length: 1.5 meters;Output: 5V USB output: 5V1A *4/ 5V2A *2. 500W 1.5M patch board Outlet &4-Port Desktop USB Charger with PowerIQ Technology for Smart phones, Tablets and Many Other Devices