Since the evolution of the tv, man has been fascinated by the device. this samsung 65inches 4k ultra hd led smart tv (black) features a undefined display for your viewing pleasure. the aspect ratio of this screen is 0.67292 to meet the latest standards and consumes 50 - 60 hz as power (when running). other features of this tv include connect share, display mirroring, double usb sharing, hdmi, screen casting, smartshare, smartview, usb hid support, wifi direct. also, the total speaker output of this tv is 20 w.