Our USB (Universal Serial Bus) C HDMI MST adapter means that you can connect two HDMI displays to a source with a USB (Universal Serial Bus) C port. MST functionality allows the two screens to act independently of each other in extend mode this adapter also supports mirror mode. MST adapters are more suitable for laptops & computers that have limited ports such as 1 USB (Universal Serial Bus) C port. This adapter means that you can connect two computer screens or TVs with 4k@60 Hz to your Laptop/computer. For full functionality the source must have a USBC DP Alt mode v 1.4. If using DP Alt mode v 1.2 the resolution will drop to 4k@30 Hz. Specifications USB (Universal Serial Bus) C to 2x HDMI Adapter Dual HDMI outputs at 4k@60 Hz 32.4 Gbps Bandwidth Supports MST Supports HDR Supports HDCP 2.2 Supports 4:4:4 subsampling Supports 8/10/12 bit colour depth