The MacBook Pro 7-in-2 USB C Hub is a fantastic addition to the new MacBook Pro/Air, which has fewer ports. It features two USB 3.0 ports, a 100W Thunderbolt 3 port, SD/Micro SD card slots, 4K HDMI, and 1000Mbps Ethernet. Just add more features to your MacBook. Plug and play, simple to use. Strong Thunderbolt 3 Hub: The MacBook Pro USB C hub adapter's Thunderbolt 3 port allows for a robust 100W power consumption, allowing your laptop to charge continuously at a maximum of 87W when connecting peripherals. 5 K @ 60 Hz video output and ultra-high data transfer rates of up to 40 Gb/s are possible. 4K HDMI Adapter with Crystal Clear: Mirror or expand your device's display