Sinotec 50 inch UHD LED Backlit Google Smart TV – Resolution 3840 × 2160, Refresh Rate TBC, Response Time 9.5ms, Contrast Ratio 5000:1, Brightness250nit, Google OS with Google Play Store and Browser, Voice Search, Bluetooth Connectivity, Built-in Wi-Fi 802.11b/g/n, 2x USB 2.0 ports, 3x HDMI ports, 1x Ethernet LAN Port (RJ-45), 2x 12W Stereo Speaker System, Digital RF Input, Dolby Digital, DTS Studio Sound Audio Power Output, Retail Box , 3 year Limited Warranty