Wide Range: Small volume speakers, dual internal magnetic speakers; 3 sound generating units, completely covering 200. Speaker working alone or your Karaoke entertainment, it is a new experience. Dynamic Sound: Portable bluetooth karaoke machine with advanced digital processing chip, make the sound better. You can also enjoy the excellent KTV sound at home. Superior Sound Quality: Portable bluetooth karaoke machine with a new generation of K song microphone. The highs are crisp, the mids are powerful, and the bass is thick. KTV Function: Bluetooth connection to TV and cell phone Karaoke, good sound and fun private KTV singing is so simple. Multifunction: Karaoke machine support Bluetooth connection, memory card playback music, USB OTG with microphone, K song amplification function, reverb sound function and headphone output function.