LG 77 Inch OLED evo C4 Smart 4K TV, Display: 77-inch 4K Ultra HD (3840 ? 2160) OLED evo panel with infinite contrast and perfect blacks.Processor: Powered by the à9 AI Processor 4K Gen7 for intelligent picture and sound upscaling.Performance & Gaming: Features a 120Hz native refresh rate (scaling up to 144Hz for supported PC gaming), VRR (Variable Refresh Rate), NVIDIA G-SYNC compatibility, and AMD FreeSync Premium.Audio: 40W output across a 2.2-channel speaker system with Dolby Atmos and AI Sound Pro.Smart Platform: Runs on webOS 24 with ThinQ AI, hands-free voice control, and an included AI Magic Remote.HDR: Supports Dolby Vision, HDR10, and Filmmaker Mode