12 IN 1 Laptop Docking Station Dual MonitorThis USB C laptop docking station with 12 ports,2 x 4k @60Hz HDMI,1x DP,2x USB A 3.0 , 2 x USB A 2.0 ,1 x Gigabit Ethernet,1x 100W PD charging,1 x SD/TF,1 x3.5mm Audio Jack.This is a multiport adapter with powerful functions Triple Display & Ultra HD 4K OutputWindows supports MST and SST (Mirror & Extend modes). HDMI 1 can output up to 4K@60Hz with a DP1.4 source. When two monitors are connected, HDMI resolution will be 4K@30Hz, and with dual or triple displays via DP, the resolution will be 1080P@60Hz.Note: Please note: Mac OS DOES NOT support triple display, it only support mirror mode and non-mirror mode. Non-mirror mode means that the three external monitors are same but different from laptop