The latest standard for 4K UHD content is High Dynamic Range. It expands the range of both contrast and colours significantly . HDR reproduces accurately light and dark shades with precise colours and dazzling detail images. Developed exclusively by TCL, Dynamic Color Enhancement is designed to automatically optimise colour vibrancy. A proprietary algorithm expands traditional palette limitations delivering a more vibrant, premium video experience. Stunning 4K display is enhanced with the addition of the latest in high dynamic ranging. Dynamic tone mapping optimizes picture quality, frame-by-frame intelligently enhancing range of tones, brightness, and contrast. Boost your entertainment, and enjoy more nuanced content. While watching movies, with Dolby Audio technology, the crystal clarity function and sound specialization give you sharper, more nuanced sound with great detail and richness for more realistic entertainment.