5Gbps Data Transfer: This Macbook USB Type C Adapter adds extra 2 USB 3.0 ports for connecting multiple USB peripheral devices such as flash drive, hard drive, keyboard, mouse, printer, MP3 player and more the USB Type C hub could keep you away from the trouble of plugging and unplugging repeatedly, Supports data transfer up to 5Gbps, down compatible with USB A 2.0.

Another usb c port is only for data transfer, speed usb 2.0.

2XUSB C/Type C/Thunderbolt 3 Port in this macbook dongle : One thunderbolt 3(Top USBC port), supports data transfer up to 40Gb/s, up to 5K displays, up to 100W power The thunderbolt 3 port and HDMI port can be used simultaneously to mirror or extend the display of your laptop to your TV, monitor or projector.It support dual monitors diaplay if you use the hdmi+TB3 port.4K UHD MacBook HDMI Adapter: LIONWEI Macbook Pro Air HDMI adapter enable you to mirror or extend the display of MacBook to a TV, monitor or projector with a resolution up to 4K UHD (3840 x 30Hz) through the HDMI output port with this high-performance USB-C adapter when you play games the screen without any millisecond delay.❤Note: For M1 2020, this multiport macbook pro adapter does not support dual display.

❤Note:This adapter is not suitable for wearing a protective case and this adapter won’t support Apple USB Super Drive.

7-IN-2 Macbook Pro Multiport Dongle: This Macbook Adapter equipped with one 4K 30HZ HDMI port, 2 USB 3.0, one Thunderbolt 3 port, one 100W USB C PD fast charging port,and SD TF Card Readers Perfect for 13 and 15 inch MacBook Pro 2020 2019 2018 2017 2016 & MacBook Air 2020 2019 2018.

Best multiport usb hub for macbook air