No need to drive ●Plug and Play ●Audio synchronization, upstream charging and downstream expansion. mode is easy to apply. Aluminum alloy shell material. Notebook USB interface, instantly transformed into a network cable interface. Powerful performance without driver plug and play. The size is purely manual measurement, there will inevitably be an error of 1-3 cm, please refer to the actual product. Due to shooting lighting and the difference of each monitor. There will be different degrees of color difference. The actual product shall prevail.