This is a special dual usb-c multi-function converter for MacBook Pro and MacBook Air. It expands 2 USB 3.0 A female ports, one HDMI interface, one RJ45 port and one USB-C female port at the same time. Input: 2x USB-C Male 2x USB 3.0 A Female ports 1x USB C Female port: Thunderbolt 3 supports PD 3.0 (100W), and data and video transfer speed up to 40 Gbps (8K video and audio) 1x HDMI port, supports 4K/2K at 30 Hz 1x Ethernet Port, supports 10/100/1000Mbps Suitable for: MacBook Pro 2016/2017/2018/2019, and MacBook Air 2018/2019
