What is the max sound pickup distance supported by Huawei Bar 310?

The Huawei CloudLink Bar 310 features an integrated high-sensitivity microphone array. According to its technical data sheet, the built-in microphones are optimized to pick up clear human speech within a 8-meter radius in a standard acoustic environment. For rooms larger than this, the system can be expanded using external wired or wireless microphones, but the standalone "Max sound pickup distance" of the unit itself is 8 meters.