With HDR10+ technology, the 55-inch 4K UHD TV TCL 55P69B provides amazing picture quality and vibrant colours.

Advantages:

Experience four times the clarity and detail of Full HD with 4K Ultra HD resolution.
High Dynamic Range (HDR): Offers remarkable shadow details, vibrant colours, and brightness.
Dolby Audio: Exceptionally detailed and crystal-clear sound with improved speech.
HDMI 2.1: Fast response times and little input lag for gaming.
Google TV: Find fresh episodes and films according to your preferences.

Details:

55-inch screen size
4K UHD (3840 x 2160) resolution
60 hertz is the refresh rate.
Dolby Audio: Indeed
2.1 HDMI ports
 Google TV : YES