Zoook Rocker Thunder Plus 40 watts Karaoke Bt

40w powerful party speaker with remote and mic Flashing dj lights , Karaoke Bluetooth Frequency Response: 60Hz - 16kHz ,FM Frequency response : 87.5 - 108mHZ and Operating Distance: 10 meters Built-in rechargeable 4000mah lithium-ion battery ; There is an ON/OFF switch to turning on MIC Enjoy multiple connectivity Tune-In to your local stations For echo sound please use echo knob to control if sound is not coming from mic, please use mic volume button to increase volume of mic