LG 55 Inch 55UK6750PLD Smart Ultra HD TV with HDR
Connectivity
    HDMI - 2 (Rear) / 2 (Side) 
    Simplink (HDMI CEC) - Yes 
    ARC (Audio Return Channel) - Yes (Side, HDMI 2) 
    USB - 1 (Rear) / 1 (Side) 
    LAN - Yes (Rear) 
    Component - Yes (Rear, Component in/AV in common)
    Composite In (AV) - Yes (Rear, Component in/AV in common)
    CI Slot - Yes (Side)
    RF In - 2 (Rear, RF/Sat)
    SPDIF (Optical Digital Audio Out) - Yes (Rear)
    Wifi - Yes (802.11ac)
    Wi-fi Direct - Yes 
    Bluetooth - Yes (V4.2)