qfx pbx-8074 8-in portable party bluetooth loudspeaker with microphone remote karaoke speaker

8 bluetooth rechargeable speaker connect a microphone and sing along your favorite songs.true wireless stereo: connect two pbx 8074 to increase the volume playback and listen in stereo. this versatile pa speaker rolls on into events to pump out music or amplify announcements.. the rechargeable battery lasts for 4 hours so you can stream music even in places without an outlet nearby. echo, bass,treble control: add echo to your microphone for a smooth sound. increase the bass for more boom or boost the treble for clarity..syi