4-in-1 USB Hub, 1 3.0 USB-A port, and 3 2.0 USB-A ports make it easier to connect different devices at the same time. With 4 USB-A ports, Mport 31 makes multitasking easy and gives you added comfort while working. USB 3.0 port gives you high-speed connectivity with up to 5Gbps data transfer speed. USB-A port for compatibility with multiple devices. Connect keyboard, mouse and other devices to facilitate working. Portronics Mport 31 comes with a 1-year manufacturers warranty.