TCL 43-inch 4K QLED

Standard Specifications
Across most 43-inch 4K models, you can expect:
Resolution: 3840 x 2160 (4K UHD).
Connectivity: Typically 3 HDMI ports (including ARC/eARC) and at least 1 USB port.
Smart Features: Built-in Chromecast, Wi-Fi, and Bluetooth 5.0 for wireless headphones or soundbars.
Audio: Dolby Audio decoding for clearer dialogue and virtual surround sound. 
These guides highlight the features and technology behind TCL's 43-inch 4K HDR TVs, including QLED, Google TV, and HDR support: