Smart platform:samsung smart tv with universal guidebacklight type:edge-lit led w/ uhd dimminghigh dynamic range:yesresolution:4k ultra hd (3840 x 2160)refresh rate:motion rate 120displayclosed captioning:yeshigh dynamic range format:hdr10, hdr10+, hlgscreen class size:55"osd language:english, spanish, french
audiobuilt-in speakers:yessurround sound supported:dolby® digital plusspeaker power output:20wconnectivitynumber of hdmi ports:3number of component video inputs:1 (shared)number of composite video inputs:1 (shared)number of digital optical audio outputs:1number of usb ports:2