esonstyle 10 Pairs Bright Stylish Fashion LED Earrings Glowing Light Up Earrings Diamond Crown Ear Drop Pendant Stud Stainless Multicolor Material:Stainless steel earring with Cubic Zirconia stone. Power:1*LR521 button battery (replaceable, included). Wear the sparkling crystal earrings during the day. Then turn the LED light on at night or when it's time to have fun! Led Earrings: Halloween, Christmas, Colorful light,awesome and eyes-catching, stand out from the crowd with these LED earring, great for holidays, costumes, and parties. How to replace battery:To replace batteries, carefully unscrew the back of the battery housing.