There are 7 USB Data Transfer Ports, which makes it very easy to connect Multi USB devices to your PC, laptop simultaneously, such as keyboard, mouse, card reader, mobile HDD, webcam, mp3 players, oculus, etc. And this USB hub comes with 100cm Built-in cord, enough length for you to arrange your cables. The USB 3.0 Hub extension provides up to 5 Gbps data transfer speed, which means you can transfer an HD movie in seconds, and it is backwards compatible with USB 2.0/1.1. Every port supports Hot Plug. This USB expansion hub with 2 fast charging ports allows to charge cellphones, tablets, cameras, speakers and more. The most important thing is that it could automatically detect your device's charging protocols to deliver the optimum charge at speeds up to 2.4 amps per port. CHARGE FASTER. As a powerful USB splitter and gadget manager, this 7-port USB hub has built-in on and off switches with led indicators for each port, being able to turn on or off the separate USB port without unplugging the equipment, blue LED lights let you know the working status easily