4 in 1 Extended USB-C Hub: This USB Hub bridges the gap between USB-A and USB-C to connect older devices to your new USB C laptop, expand the single C type port or thunderbolt 3 into 1 standard USB 3.0 female port and 3 USB 2.0 female ports.The USB splitter is all-aluminum bodyRugged metal housing protects against breakage and is more durable than plastic,Mini portable and easy to carry. An extra USB to USB C Adapter: This product includes an extra USB C to USB adapter.It turns this USB C splitter into a USB hub for devices with USB-A ports built-in. This adapter supports a stable charging speed, up to 5V/3A, 9V/2A. You can use it alone or with the USB C Hub. The adapter only offers USB 2.0 data transfer speed of up to 480 Mbps. If the USB C hub is used with this adapter, it can only support USB 2.0 but not USB 3.0. High Data Transfer Speed: This USB C multiport adapter supports super faster data transfer up to 5Gbps(at USB 3.0),supports 480 Mbps data trans