Display Size & Type: 55 Inch Premium Ultra HD 4K ULED Screen Frame Display Tech: ULED Pro Panel with Full Array Local Dimming Zones, Dolby Vision HDR Smart Ecosystem: Next-Gen VIDAA Smart OS Platform Interface with Fast Processing Engines Connectivity Ports: 3 x HDMI Inputs, 2 x USB Media Channels, Bluetooth Sound Out, Wi-Fi Key Features: Quantum Dot Wide Color Spectrum, Hi-View Intelligent Picture Processor Core