55″ OLED/4K/Smart 139cm Form factor 16:9 Resolution 3840×2160 4xHDMI 2xUSB 2.0 1xOptical S/PDIF 1xRJ45 2xRF-In 1xCI Slot Refresh rate 100 Hz Speakers Speaker Output 10W + 10W Watts Wireless LAN Bluetooth TV OS webOS 300 mm x 300 mm Energy efficiency class G