This USB multiport hub adapter from Baseus, featuring an elegant aluminum design, expands the connectivity options for your MacBook Pro 2016, 2017, 2018, 2019, or MacBook Air 2018, 2019 with two additional USB 3.0 ports, two HDMI ports, one USB-C port, and a slot for a micro SD card. Additionally, the Baseus hub adapter includes an RJ45 network port with a transmission rate of 1000 Mbps. You can connect and use USB devices such as a mouse, keyboard, USB stick, etc., simultaneously through the USB ports.