Specifications Screen Size 86″ Resolution 3840 x 2160 Main Processor (SoC) ?7 Gen4 Processor 4K (LM21U) Operating System webOS Smart TV Number of CPUs Quad AI Picture / Pro AI Picture AI Upscaling AI Upscaling Upscaler 4K Upscaler Picture Mode 9 modes (Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room)) Speaker (Sound Output) 20W (10W per Channel) Channel 2.0 ch HDMI 1 (Rear)/2 (Side) USB 1 (Rear)/1 (Side) Wifi Yes (802.11ac) Bluetooth Yes (V5.0) Power Supply AC 100~240V 50-60Hz”