LED Voice-activated Mask is manufactured with premium material for durable and long-lasting use.Low power consumption . Uniform brightness . It can be adjusted according to the rhythm of the live music and the size of the sound.Flannel fabric . soft and comfortable . long-wearing . no fatigue . and with a full-fit velcro for more stable use on the faceThe Mask Can be used on many occasions . such as Party . Rave Parties . Discos . Clubs . Halloween . Birthday . Festivals and other Events.Features:Sound responsive lithium modulator: The modulator is powered by a lithium-ion battery.Adjustable Sounds Sensitivity: LED light will be changed by the different environment. You will become an amazing shining star at the party.Adjustable straps: The straps are easy to set up and fits any head size.Hidden cable: The cable is now completely hidden inside the strap.Protective foam: A 1mm piece of high-density foam.Phosphorus layer: Phosphorus ink screen printed on a translucent conductor.Printed design: High quality printed colors applied on a PWB layer.