The sandberg usb c dock offers you lots of useful connections for your computer with usb c port you can connect an extra monitor tv or projector by hdmi you can deploy the usb 30 port to connect usb devices you can even read and write on sd cards by the built in sd card reader and as icing on the cake the dock is equipped with a usb c throughput to connect power this way your computer can charge and have the dock connected at the same time abs aluminum case input usb c male compatible with usb