The Xiaomi Soundbar 2.0ch adopts Bluetooth 5.3.
For your reference, here are more details about Bluetooth 5.3:
1. Bluetooth 5.3 supports adaptive frequency hopping. This feature minimizes interference from other wireless devices, enhancing connection quality and stability, which is vital in crowded environments;
2. Bluetooth 5.3 offers more reliable connections, reducing the likelihood of dropouts and ensuring a consistent audio experience;
3. Bluetooth 5.3 allows quicker and easier device pairing, streamlining the using experience and reducing the time spent connecting devices;
4. With a longer operational range, Bluetooth 5.3 allows you to move further from the soundbar without compromising connection quality;
5. Bluetooth 5.3 significantly reduces audio delay, making it especially ideal for watching videos or playing games, as it ensures that sound effects and dialogues are perfectly synchronized with on-screen actions, enhancing the overall viewing and gaming experience.