Product Details:<br /><br />The Third Generation of LED Earring Pendant<br /><br />Diameter: about 2cm<br />Luminous Time: 20-30 hours<br />Light Color: Red / Yellow / Blue / Green / Orange / Pink / Multi-color/purple<br /><br /><br />The Light Effect of Earring is good? It will emit a dazzling glow in the dark? is a rare jewelry.<br />Suitable for all kinds of Party? small and exquisite.<br /><br />Method to Replace Battery: Open the earring's back cover? you will see the circuit controller?<br />                           Take the built-in battery off to replace the battery<br />Warm Tips: Open the earring's back cover to replace the battery <br /><br />packing list<br />1 pair of * LED Earring Pendant