Powerful 3 Port: Charges laptop up to 100W. 5K 60Hz video output for Ultra HD. Transfers data up to 40Gbps. The HDMI port supports a resolution of 4K@30Hz. The 3 port and HDMI port can be used simultaneously to mirror or extend the display of your laptop to your TV, monitor orjector. Connect to both simultaneously to enjoy crystal-clear streaming or mirroring across 2 displays. Multi ports USB Type C HUBThe USB Type C hub adds extra 2 USB ports for connecting multiple USB peripheral devices such as flash drive, hard drive, keyboard, mouse, printer, MP3 player and more. Multi ports HUB could keep you away from the trouble of plugging and unplugging repeatedly. Perfect for &Air: The USB C hub compatible with 13'' 15'' 16'' inch 2020/2019/2018/2017/2016, Air 2020/2019/2018 and higher. Warm Tips: the usb adapter is not compatible with the /Air laptop cases. SD/TF card to USB C Hub: The air hub SD/TF card reading interface supports simultaneous card insertion. The USB 3.0 hub has a built-in SD/TF card slot for easy and convenient file reading. It supports card read speeds up to 480MB/s. 7 in 2 USB C Hub: With this adapter, you can easily fulfill your daily use by extending two USB C port to 4K HDMI, 3 port,USB C female port, USB 3.0 &2.0 ports, SD/TF card readers.