Case 1: Assistant version problem
Check whether the assistant version is the latest version, if not, download the latest version first to try

Case two: The device is not paired with the voice assistant
Exit the assistant and restart it, and turn the device back on for pairing and connection

Situation 3: Computer system version support issues
Check the internal version number of your computer’s operating system, Bluetooth mode currently only supports Windows10 1809 Build 17736 or macOS10.14.6 and above