Features: Brand new and high quality Four-in-one USB C Hub: The USB C adapter expands the laptop's USB-C port to 4 ports (1 USB 3.0 port, 3 USB 2.0 ports). Connect the other 3 USB devices to the laptop, such as mobile hard drives , mice, keyboards, card readers and other USB devices to easily meet daily needs. Fast and stable transfer: USB 3.0 interface, the highest data rate can reach 5Gbps, movies, music, files can be transferred in seconds. Three USB 2.0 ports with speeds up to 480Mbps. for USB keyboards, U disks, hard drives, mice , printers, etc. Plug and Play: No need to install drivers, plug and for play. It supports overload voltage and indirect current for protection functions, which can effectively protect the connected equipment and the hub itself when the power is turned on suddenly. Lightweight and portable: the aluminum for shell is more beautiful. Fast heat dissipation and stable performance. The slim and lightweight design can easily fit in any pocket or briefcase to carry a laptop. Very suitable for daily use in offices, business trips and studies. Multi-compatibility: the USB C hub is for Windows 10/8 / 8.1 / 7 / Vista / XP, for Mac OS X and Linux computers and laptops. Specifications: Material: Aluminum Alloy Theoretical speed : USB3.0 x 1 5Gbsp, USB2.0 x 3 : 80Mbps Color:grey Note: The product is 1 port 3.0, 3 port 2.0, please read the details carefully to avoid mistakes, thank you for your cooperation. Package includes: 1 x USB Hub