Solution:
The Xiaomi Karaoke Microphone supports connection with mobile phones, Xiaomi TV, but not computers and notebooks. It does not support connection to computers and notebook speakers. When connected via Bluetooth, the sound from your mobile phone, TV will be output from the MIJIA Karaoke microphone and played back. The sound will be output from the MIJIA K-Song microphone and played back, but not from the built-in speakers on the phone or TV.
Note: Mobile phone connection is not limited to any model or brand, TV and projector support will be added later, if the above models cannot be connected you need to upgrade the TV or projector software to the latest firmware.
If the above models cannot be connected, you will need to upgrade your TV or projection software to the latest firmware version.