TCL's 6-Series combines stunning 4K HDR and mini-LED technology in a bold, brushed metal design for a superior TV experience. Quantum Dot technology (QLED) and the HDR Pro Pack with Dolby Vision combine for greater brightness and contrast, as well as a full palette of rich colors. TCL's Contrast Control Zone technology optimizes the image across individual zones to yield striking contrast between light and dark areas. The 6-Series models' AiPQ Engine uses machine-learning algorithms to optimize color, contrast and clarity for an unrivaled 4K HDR experience. Easy Voice Control lets you control your entertainment using just your voice. Gain a competitive edge with the world’s first TV featuring THX Certified Game Mode combined with Variable Refresh Rate and Auto Game Mode for a smoother, optimized gaming experience. Plus, the Roku OS provides seamless access to thousands of streaming channels, your cable box, Blu-ray player, gaming console, and other devices without flipping through inputs or complicated menus. Super-simple remote. A dark finish, slim profile and angular metallic feet lend style and sophistication to your home theater. Model: 75R635.