The Light Up Microphone is the perfect toy for the Karaoke spot, the bar, your best friend's birthday party, and much more. Though it is not sound-activated, the Light Up Microphone does have a dazzling assortment of three color modes. To activate the Light Up Microphone, just press the small button located on the microphone handle. Each item comes a small wrist-band, which is great for those who are prone to losing things or are a bit clumsy. Features red, blue and green LEDs with strobe, flash, color change functions. Comes with 4 replaceable AG13 batteries.