1:HDTV:4k*2k(3840*2160) Downwards Compatible with 1080P 720P betc 2:USB*2:USB3.0 Hight Speed USB,Power Supply Up to 4.5W Max 3:USB C Female Port 1:PD,20V@5A,Support Max 100W Power Adapter(Input) 4:USB C Male:Copatible With thunderboil 3,make sure that the host USB-C port on your device complies with the USB3.0/3.1 Specification 5:RJ45:Max ethernet speed 1000mbps Wide compatibility The USB C adapter with multiple ports is not suitable for Google Chrome Cast TV dongles. Very suitable for Nintendo Switch, Macbook Pro 2016/2017/2018/2019, Macbook Air 2018/2019 (not applicable to previous generations of Macbok Air and Pro), Macbook 12, next-generation Imac/Pro Surface Book 2/GoChromebookPixelbook Dell, HP, Huawei Mate 20/P20, Samsung S8/S8 Plus/Plus/S9/S99 Plus/S9 Plus/S10, etc. A fully equipped Type C device. (Note: RJ45 cannot be used for connecting to mobile phones or tablets)