VIERA TH-43JX850 43-inch LCD TV [43V / Bluetooth compatible / 4K compatible / Built-in BS/CS 4K tuner / YouTube compatible] ■ "Auto AI Picture Quality" automatically adjusts to the optimal picture quality by identifying the scene of the video. AI learns from a learning database composed of various video scenes and generates a scene recognition algorithm. This technology enables VIERA to automatically adjust to the optimal picture quality according to the scene. ■ "Dolby Atmos" three-dimensional sound technology that surrounds you with sound from all directions. Compatible with the latest audio format "Dolby Atmos" used in movie theaters. You can experience immersive sound by being surrounded by sound from above, below, left, and right. ○ Please check the photos for the product. It is a used item, but I think there are no noticeable scratches or stains, so please check the photos. ○ If there are any parts you want to see in detail, I will send additional photos, so please contact me. ○ Operation confirmed, simple cleaning done.