Features : Made of aluminum alloy, it is sturdy and durable, has fast heat dissipation and is not easy to get hot. Keyboard and mouse connection, no lag or delay, more flexible operation, Supports mutual file transfer between storage devices, Ensuring smooth transmission and not being easily dropped. Supports high-power device connection, and USB expansion for office printing can be performed simultaneously, Multi-system compatible, supporting Windows series, Mac OS, and Linux systems. Exquisite and compact appearance, Easy to carry around, Easy to use, plug and play.