MULTIPURPOSE Bluetooth microphone, speaker and selfie 3-in-1, KTV singing, Gathering singing, Family singing, Travel singing, Car Stereo, Instrument Recording, Interviews and Live much more. Also a Unique Gift for your Friends and Family, Significant KTV Echo Effect: the highest quality chipset with two channel stereo headphones, more stunning KTV live-sound, more clear music rhythm with echo reverberation, Simple and Convenient Operation: Multi-function buttons can set the treble, bass, reverb, accompaniment, playback volume. Freedom to modify the previous and next song mode, Portable Karaoke Microphones: Mini home KTV for music playing and singing at any time. Microphone head has three times noise reductions handle. Beautiful voice advanced technology aluminum-magnesium alloy shell. Professional tuning system, three-layer high-density noise reduction, intelligent mixing chip, intelligent compatible design, Professional audio processor.,