55" , OLED/4K/Smart , 138cm , Form factor 16:9 , Resolution 3840x2160 , 4xHDMI , 2xUSB 2.0 , 1xOptical S/PDIF , 1xRJ45 , 1xRF-In , 1xCI Slot , Refresh rate 120 Hz , Speakers , Speaker Output 40W , TV OS Tizen , 300 mm x 200 mm , Energy efficiency class G