Mi TV 4x 43 Inch 4K HDR Smart TV
Powerful speakers: 10W x 2 6ohm
Temperature 0℃～45℃，Humidity 20%～80%
Storage temperature -15℃～45℃，Relative humidity<80%
HDMI：3（1 contain ARC）
CPU：Amlogic Cortex A53 quad-core
It comes with 2 USB ports, an Antenna input, AV ports, 3 HDMI ports, an Ethernet port, etc. You can even connect devices to it via Bluetooth as it comes with Bluetooth 4.2 technology.
They are meant to last long, not just for two years anyway. While Xiaomi is expected to continue supporting it from a hardware standpoint, if your Mi TV 4 55 falls under warranty, it won’t be getting any new Android TV software update.
The price difference between the Redmi TV X series and Mi TV 5X models isn’t much. Yet, you get some genuine upgrades on the Mi TVs like an all-aluminium frame, louder 40W speakers, support for both Dolby Vision and Dolby Atmos. The quality of the panel is also better on the Mi TVs.
As the name suggests the Xiaomi TV Stick 4K supports ultra-HD resolution and has 8GB of storage capacity. We also get Dolby Atmos and Dolby Vision for an enhanced sound and viewing experience
In terms of features, 43-inch TVs almost always feature 4K resolution for incredible sharpness and even high-dynamic range (HDR) for great contrast.