PI00649 Easy to set up and great sounding high quality 5W karaoke microphone with Bluetooth or SD card music playback. You just need to connect your phone with cable or Bluetooth, and then open the singing APP on your phone. Ideal for parties, family evenings and special occasions. Your perfect alternative to bulky karaoke machine. Double the fun by connecting one phone or tablet to two microphones at the same time, for a duet - great for parties! Microphone was made by exquisite technology and tuning system, background noise reduction technique to create a stunning KTV live-sound environment and wonderful echo reverberation. Latest V4.2 chipset compatible with all Bluetooth enabled smartphones and tablets The built-in high-quality Bluetooth module can be used as speaker and player compatible with various singing applications. Add to the party atmosphere with the built in multi colour LED's for a full light show that changes with the music. Music, Echo, Volume can be adjusted with buttons. Adjustable echo for surround sound feel.