LG 55UR81003LJ 55inch UHD UR81 3xHDMI 2xUSB, 5.1.2 Channel Virtual Surround Sound and AI Acoustic Tuning for immersive audioBluetooth 5.0, LAN, and Wi-Fi for seamless connectivityAccess to Netflix, Disney+, and Apple TV+ for endless entertainment4K UHD resolution with HDR 10 Pro for stunning picture qualityGame Optimizer and ALLM for an enhanced gaming experience, 4K Upscaling, Dynamic Tone Mapping, Game Optimiser