What a lovely and cute way to say “I love you”! The LED Deco Heart Necklace on Black Lanyard is the perfect Valentine’s Day gift for all you guests at a good cause, Holiday special event, or corporate party. The LED Deco Heart Necklace on Black Lanyard is activated by the press of a button located on the back of the heart pendant. You can scroll through the 6 different light functions: Strobe, slow color change, all colors blinking red, green or blue.