[Plug & Play, Mini Portable]: No need additional driver/software, just plug and play. This laptop usb hub is mini portable and easy to carry, ideal for your working and traveling. We provide 1 year warranty to ensure your 100% satisfaction from your purchase date on. [Aluminum Material, Full Protection]: USB C data hub made of aluminum alloy, fine craftsmanship, rugged metal housing protects against breakage and is more durable than plastic. Provide excellent full protection of over-current, over-voltage, over-heating, short-ciuit. [Widely Compatibility]: This USB C adapter works for USB 3.0 port devices and also backward compatible with USB 2.0. Perfect for Laptop, iMac Pro, MacBook Air, Mac, Notebook PC, Mouse, Keyboard, Flash Drives & any other USB devices. [5Gbps Data Transfer]: USB C hub expander support sync data at blazing speeds up to 5Gbps with USB 3.0 port — fast enough to transfer an HD movie in seconds, without waiting, fast and efficient. Support charging four phones at the same time, small, lightweight but very powerful. [4 Port USB C Hub Adapter]: This mini usb hub with 1 Port USB 3.0 and 3 Port USB 2.0. Transform one of your laptop’s USB ports into four, perfectly solving the needs of multiple port of laptop in people's daily life office.