Go green with this bright and bold new Light Up Necklace. Each Green LED Ball Necklace features 7 green LED Balls and 6 different light settings. With a click of the on/off button choose from a slow to fast flashing mode, super fast flashing mode, blinking mode, alternate color flashing mode, all colors flashing and steady on. All of our Light Up Ball Necklaces come with 2 - CR2032 batteries included and installed. Our Green LED Ball Necklace is perfect for any event with a green theme and they look great day and night! Perfect for St. Patrick's Day and the party that goes on into the evening. US Patent Number: 10,064,461