Type C to Dual HDMI MST Hub USB C Dock 4K Display Multi Screen Extended Monitor Adapter for Laptop PC MacBook

Number of interfaces: Type-C to Dual HDMI + PD + USB, USB to dual HDMI + power supply + USB3.0 black, USB to dual HDMI + power supply + USB3.0 gray, Type-C to HDMI + VGA, Type-C to Dual HDMI 2-in-1 Interface: TYPE-C Whether external power supply: no external power supply Number of splitter joints: one to four Transfer rate: 5GB