Interface: Type-C Male*1, Type-C PD Female*1, USB3.0 Female*3, HDMI*1, RJ45*1 HDMI: HDMI supports 4k/30hz RJ45 interface: support 1000Mbps network Type-C PD input: support 87W PD fast charge (Max) USB 3.0*3 Data transmission: 5Gbps, backward compatible with USB2.0 It can expand 3 USB interfaces at the same time, such as hard disk, USB flash drive, mouse, keyboard and so on Working voltage: 5V~20V Working current: 220~3000mA Quiescent current: <220mA. Power consumption: 5V/220mA Support system: Mac OS sierra/Windows10/Google Chrome OS, etc. Suitable for: MacBook Pro 2016/2017/2018, Huawei Matebook, Xiaomi Air, Xiaomi Pro and Huawei Mate10, Mate20, Samsung S8, S9.