The KM01 Karaoke Microphone is an all-in-one BT Microphone with built-in Speaker. Simply plug in a USB stick or MicroSD card loaded with your favourite music and sing along! It’s also possible to connect the microphone with a Smartphone, Tablet or PC, using BT, you won’t need any wires and other complicated installation. The multi-functional buttons for sound adjustments and volume settings will make it all easy for you. This microphone also features noise compression technology that filters air flow and wind noise effectively, allowing you to sing with perfect clarity! 2-in-1 BT wireless microphone and speaker Plays MP3 files directly from USB or MicroSD card Built-in 6W Amplifier 1800mAh battery provides up to 6 hours of singing Two channel stereo loudspeaker Featuring buttons to adjust Treble, Bass, Volume, Recording, etc. Super noise reduction Vocal delay and harmony effects