Multi Ports 7-Port USB 3.0 Hub Portable Super Speed Data Transmission Multiple USB Port Expander with Switches/ LED Indicator/ 1.75 Feet Data Cable for PC Computer Laptop Accessories Interface: Extend 7 x USB 3.0 USB Ports,Super Speed Data Transfer up to 5Gbps, Compatible with Mac OS, Windows 7 8 9 10, XP, Vista,Linux and more,Backwards compatible with USB 3.0&2.0 & 1.1(not include a power cord) Plug and play;7 USB 3.0 ports with high speed transmission and stable data reading speed,connect to usb flash drive,card reader,mouse,keyboard,USB fan,camera and other USB devices All-round protection, with short circuit protection, over current protection and over voltage protection, effectively keeps you and your devices safe It features individual on/off switches for each port, allowing you to shut off what ports you don't need;With LED indicator,you can easily monitor the connection status Note: If all the 7 ports are used to connect 7 hard drive or similar high-power data transmission products at the same time,it may appear transmission speed slow down and the current instability as there is not enough current voltage