Show your love by wearing Heart Shaped Red Light Up Sunglasses! A hot item for Valentine's Day or everyday, Heart Shaped Red Light Up Sunglasses are sure to bring a smile to every face you meet. Heart Shaped Red Light Up Sunglasses are surprisingly comfortable. Instructions: To turn them on, simply push the button behind the earpiece to activate a fast flash function. Push the button twice to commence a slower flash function. Push the button a third time to have all LEDs on a still, nonflash function. Wires throughout glasses are covered, not exposed, so safe for all. NOTE: Battery pack behind the ear is heart shaped and says "I love you". Size: One size fits most. LED Colors: 10 Red. Batteries: Includes 2 replaceable CR2032 Batteries.