Fding LED Stud Flash Earrings Hairpins Strobe Party Magnets Fashion 1 Pair (yellow) Earrings Main Stone Material: Crystal, Rhinestone Size: high 2.5 CM, the size of the zircon for 7 mm Battery: 2pcs LR521 battery for one ear ring 1 Pair=2pcs Package: Blister packaging for one pair