What is the HDMI specification of the Xiaomi TV P1E 65"?

The Xiaomi TV P1E 65" has 3 HDMI, including 1 eARC port and 2 HDMI 2.0 ports.
eARC (Enhanced Audio Return Channel) is an advanced version of the Audio Return Channel (ARC) feature found in HDMI (High-Definition Multimedia Interface) technology. It is designed to simplify and improve the connection between a television and an audio system, such as a soundbar or AV receiver.
eARC is part of the HDMI 2.1 specification, however, some HDMI 2.0b devices can also support eARC with a firmware update. eARC supports uncompressed audio formats and higher-quality surround sound formats like Dolby TrueHD and DTS-HD Master Audio. It also has increased bandwidth, allowing for the transmission of higher data rates required for advanced audio formats.