USB PORT EXPANDER - There are 4 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. 2 SMART CHARGING PORTS - 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 5Gbps HIGH SPEED DATA TRANSFER - 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. INDIVIDUAL ON/OFF SWITCHES - As a powerful USB splitter and gadget manager, this 6-port USB hub has built-in on and off switches with led indi