Glovion LED Glow Light Up Adjustable Headband-Orange Brighter 12 leds for each headband 3 different light modes: Steady on / Fast Flash /Slow Flash Battery: 2xCR2032 cell batteries (included and installed) Can be adjustable length for almost people , used for party ,sports ,school Trips, running , nightshow. Eye catcher or be seen be safe for outdoor activities