BluWhale 1 Pair Multicolor Bright Stylish Fashion LED Earrings Glowing Light Up Diamond Crown Ear Drop Pendant Stud Stainless Multi-Color

Material: stainless steel earring with Cubic Zirconia stone Power: 2 LR521 button batteries (replaceable) Pack size: one pair of cubic zirconia LED earrings Diameter: 7mm. [Notice] Actually it could be opened by a small pliers by clockwise direction. Remember! The earrings should be inserted in when you twist it. No too much strength is advised, or the earrings could not be inserted any more. When it is opened, you will find two batteries and one insulating strip. The positive pole + should be down, please be careful about this. One batteries could be used for 24 hours in normal.