Features: 1) Powered by replaceable batteries 2) Many different shapes for pendant: heart, star, Features: 1) Powered by replaceable batteries 2) Many different shapes for pendant: heart, star, oval, round, bottle or according to the customers' patterns 3) Material: PS or acrylic 4) LED lights: red, yellow, orange, blue, jade 5) Welcome OEM patterns Flashing Necklaces