Karaoke Microphone Bluetooth 7 in 1

idance 7-in-1 portable karaoke. Stereo microphone with high quality vocal performance. 20 Watt audio output Powered by rechargeable lithium-ion battery. Vocal Cancellation: reduces and erases the singer's voice from your music (BT or Mp3). Voice Distorter: 4 different voices: man, woman, child, robot Mixer: sing with your BT device (tablet or phone). MP3 player with USB/TF card. Volume control to adjust performance in real time. Mic Echo effect to sing like a star, with volume control. Compatible with YouTube, Spotify and most karaoke apps, Fully wireless with up to 2-4 hours of playback time.