1、4 Port USB Hub: This Type C hub makes it easy to expand one USB A port to four, including 1 USB 3.0 and 3 USB 2.0 ports. Support 4 ports work at the same time, plug and play, no need to install drivers or software. 2、5Gbps High Speed: This USB C docking station with USB 3.0 interface provides high speed transmission capability, the transmission rate reaches to 5Gbps, quickly transfer large files, audio and video content, etc. Other 3 USB 2.0 ports support up to 480MB, and the USB port extender has inbuilt OTG function chip, which can easily connect USB devices such as mouse, keyboard and USB flash drive. 3、Widely Compatible: This USB hub for laptop is compatible with USB cable, flash drive, keyboard, mouse, card reader, mobile OTG adapter, printer, camera, USB fan. Suitable for OS X Laptop Pro 2021, 2020, 2019 and more. 4、Aluminium Alloy: This USB 3.0 hub is made of premium aluminium alloy material, fast heat dissipation, strong, durable and resistant to wear. This hub supports output currents up to 900mA, so some hard drives that require more than 900mA require an external power adapter. 5、Aluminium Alloy: This mini USB hub adopts aluminum alloy housing design that makes it small and thin, providing durability and nice heat dissipation, a perfect partner for your travel work.