LG 55'' Quad Core 4K NanoCell Smart TV (LG 55NANO75) - Resolution: 3840 x 2160, Motion/Refresh Rate: 50Hz, Speaker (Sound Output): 20W (10W per Channel), Channel: 2.0ch, Connectivity: 3 x HDMI, eARC / ARC (Audio Return Channel), LAN, SPDIF (Optical Digital Audio Out), Bluetooth, Simplink (HDMI CEC), 2 x USB, 2 x RF In, Wifi