Smart 4K OLED TV

55″ OLED, HDR (High Dynamic Range) compatibility, 4K HDR Processor X1? Extreme, 4K X-Reality? PRO, Dual database processing, Live Colour? Technology, Precision Colour Mapping, Super bit mapping? 4K HDR, TRILUMINOS? Display, Dynamic Contrast Enhancer, Object-based HDR remaster, Motionflow? XR, Acoustic Surface(Actuator+Subwoofer), Dolby? Digital, Dolby? Digital Plus, Dolby? Pulse, DTS Digital Surround, S-Force Front Surround, Voice Search-Yes-Built-in Mic