TCL 55"C6K 4K QD-Mini LED TV; 144Hz native display; Precise Dimming Series; Google TV; Game Master; Dolby Atmos; Onkyo 2.1; HDR Premium; HDR10+ HDR10 HLG; Netflix Youtube Amazon Prime Apple TV; Chromecast & T-cast; HDMI: 4x 2.1; USB: 1x 3.0;