This USB C to 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.