SpecificationGray aluminum alloy shell LWH 110*30*10mm (4.3*1.2*0.4 inch), cable 170mm (6.6 inch), Mini size and multi-function. Compatible DevicesLaptops & Tablets & Smartphones with USB Type-C ports (Thunderbolt 3 and Thunderbolt 4), such as compatible for MacBook Pro & Air 2021/2020/2019/2018, iPad Pro 2021/2018, ChromeBook, Surface Book, Galaxy S21/S20/ S10 etc. USB C Charging PortYou can connect usb c charger cable to quickly charge Laptops & Tablets & smartphones, the maximum charging PD 100W. USB PortThere are USB3.0 port (USB3.1 gen 1) and USB2.0 port, which support data transmission, OTG, and can also connect mouse, keyboard, flash drive, mobile hard disk, usb card reader, and other accessories. HDMI PortHDMI2.1 standard is backward compatible with HDMI2.0, supports output resolution 4K, compatible with 2K, 1080P, 720P, etc.