Soai SA-F67 has 8 inches of bass and 1.5 inches of treble, it can be wireless microphone Karaoke, and there are recording and playback and other functions, the speaker is equipped with wireless bluetooth, the transmission speed is very fast, and the speaker sound covers a very wide area, the transmission distance is very far, you can be interconnected with most of the audio equipment, the speaker is equipped with a remote control, just like the usual audio is not around, can also be easily controlled, it is very easy to control. Can also be easily controlled, very convenient oh.