TECHNICAL SPECIFICATIONS:Power up to six (6) USB devices simultaneously with compatible cable; 5V4A when using 1 USB port， 5V2A when using 2 USB ports， 5V1.3A when using 3 USB ports， 5V1A when using 4 USB ports， 5V0.8A when using 5 USB ports， 5V0.66A when using 6 USB portsPerfect for charging various smartphones at full speed (iPhone 4/4S/5/5C/5S， Galaxy S3/S4/S4 Mini/S4 Active/S5 Note 2/Note 3， HTC One， Sony Xperia， Nokia Lumia， Nexus series， and other 5V-output， USB-based smartphones)USB ports marked "i" specially designed to charge iPad series products (iPad， iPad 2/3/4/Mini/Mini with Retina Display/Air)， and the USB ports marked "g" are designed to charge Galaxy Tab series products and other Android OS-based tabletsBlue LED indicator lights show you when power is being provided to the hubPackage Contents: 1 x 6-Port USB Hub， 1 x US AC Power Plug Adapter