Customized Fashion Sport Mask Cooper Ion Mask Light Up Party Facemask App Controlled LED Programmable Message Display Specification Product Name Light up Message Programmable Display LED Facemask Material Fiber optic cloth +LED light Mask Color Black and Gray Glow Color 7color +4lighting modes +colorful glow Battery Rechargeable Battery Time Over 6-8 hours Size free size Features Sport , Anti Dust, Programmable Display LED logo Logo Customized LED display LED mask Type: Party masks Mask Material: EVA, Led+Optical Fiber Cloth Occassion: Halloween Masquerade Party Cosplay Feature: USB chargable Gender: unisex