From j5create
• the jch343 works with a wide range of operating systems and laptops because it requires no additional drivers, meaning you can be up and running as soon as it's connected. With its compact design, you can easily fit it into your bag/case while travelling.• easily add additional usb type-a ports to your laptop• superspeed usb 3.1 gen 1 provides a transfer rate up to 5 gbps, which is 10x faster than usb 2.0