Model No.: OLED55B46LA.AMNE Display Type :4K OLED Wide Color Gamut :OLED Color Picture Processor :α8 AI Processor 4k Number of USB Ports: 2 Number of HDMI Ports: 3 HDR (High Dynamic Range) :HDR10 / HLG FreeSync Compatible (AMD) :Yes OS: WebOS23 Video Player https://media.flixcar.com/webp/synd-asset/LG_Electronics-190771902-The-optimal-audio-fits-your-space-feature_video-animationFile.mp4 00:00 00:00 00:06 Use Up/Down Arrow keys to increase or decrease volume.