What to do if the phone detects the Bluetooth signal of the Xiaomi Soundbar Pro 2.0 ch but fails to connect?

For your reference, here is some information on when the Xiaomi Soundbar Pro 2.0 ch can't connect to Bluetooth:
  1. Check whether the input source is set to Bluetooth mode or try restarting the soundbar.
  2. Re-enter Bluetooth pairing mode by briefly pressing the Bluetooth button. The pairing time is 3 minutes. If no connection is made within 3 minutes, Bluetooth pairing mode will exit, and the device will no longer be discoverable.
  3. Simultaneously press and hold the power button and the input source button for 3 seconds to restore the soundbar to factory settings and restart it.