... light, red light and so on, plastic LED watch Introducing the Iron Samurai Faceless ICE BLUE LED ... . It is powered by CR2016 Lithium battery. The watch comes operational.HOW IT WORKS Tap the top button ... Top (hour and date display + select) - Button (change mode) Watch color: Pink, red, green,black,purple,white,yellow,blue and ... and Lady. Approved: CE / FCC Iron Samurai Plastic Led Watch/Wristwatch