The karaoke Bluetooth speaker mic is great for small party or new couples. They are easy to set up and work like Bluetooth speaker. The built-in speaker is powerful enough to shine the music and live up your voice. However, all these microphones are equipped with Bluetooth chipsets (for example ATS2819 Chip in CALF G2) that don't support other codecs other than SBC.
Here are a few options for karaoke Bluetooth speaker microphones that deliver good sound quality. Note that a dual-speaker microphones will offer better surround sound than single-speaker ones.