The Xiaomi TV Q2 50'' adopts Bluetooth 5.0 version.
For your reference, here are more details about Bluetooth 5.0:
1. Bluetooth 5.0 supports faster data transfer speeds and a longer range, allowing devices to connect up to 240 meters away in ideal conditions. This makes it easier to use wireless peripherals like keyboards and speakers from a distance;
2. Bluetooth 5.0 is more power-efficient, which is especially beneficial for battery-operated accessories, helping extend their usage time;
3. With support for higher bandwidth, Bluetooth 5.0 enhances the quality of wireless audio devices, making it ideal for soundbars or wireless headphones;
4. Bluetooth 5.0 allows multiple devices to connect simultaneously, improving multitasking and enhancing the using experience with multiple Bluetooth devices.