M3 Hub with Charging is a series of high-end aluminum alloy USB card reader hubs. It can support multiple USB-A3.2 ports (3/4/7 ports) at the same time, free from the worry of insufficient ports in host device. It is efficient and convenient with multisystems compatibility with excellent charging power and transmission speed, adaptable to different scenarios. There is also built-in security module to protect the security of connected devices and their data. The MAC style of its appearance and the unique 34° slope are simple and fashionable, bringing users a comfortable and perfect experience.