led stud earring heart
7color changing
red flashing,blue flashing,green flashing,white flashing
battery:2pcs LR521
package:2pcs/blister card
size:20*7mm
each set of battery can last about 25hours,you can replace new battery by yourself
push the pin into the hole,the light will start flashing, pull the pin out slightly,the light will be off
best for earring in party and special occasions
one pair