Multiple Usb Ports: This Usb 2.0 Hub Can Expand 1 Usb 2.0 Port To 7 Extra Usb 2.0 Data Ports For Hard Drives Or Other Usb Devices, Can Be Used At The Same Time.^Individual Switches & Leds: Every Port Has Its Own Individual Switches, 7 Blue Led Indicators Indicate The Power And Usb Connection Status.^Intelligent Protection: Usb Hub Has Built-In Surge Protection. Over-Voltage ,Over-Current ,Short Circuit,Over-Heating And Counter-Current.Thus, Your Usb Hub Always Protects Itself And All Your Connected Devices.^Wide Compatibility: Supports Various Different Interfaces Such As Windows 10.7, Vista, Xp, 2000/ Mac Os X 10.2 And Higher/ Linux 9.^Note: This Hub Must Be Connected To A Computer For Use By Other Devices. It Is Not Meant To Serve As A Stand-Alone Charger, But Merely Expands The Computer'S Usb Interface. It May Not Be Able To Power High-Power-Demand Devices Such As Tablets.