The Samsung QE55Q75BATXXU TV is a model with QLED technology, a screen diagonal of 139.7 cm, a screen resolution of 3840 x 2160 pixels, an aspect ratio of 16:9, 4 HDMI ports to connect a Blu-ray player, DVD, a game console, etc., 2 USB ports to connect an external hard drive, a Chromecast, a Bluetooth receiver etc., Ethernet port to connect to the internet via cable, internet connection via Wi-Fi, the Tizen operating system