USB HUB 3.0 Docking Station for Surface Pro 4/5/6 Splitter Adapter
1080P HDMI to SPDIF Optical 4K RCA L/R Analog Audio Extractor Converter Splitter. HDMI ARC 3.5mm Converter Adapter Audio Extractor Digital DAC to RCA Coax SPDIF. 1 Docking station (not including others shown in the picture).