To activate your Glove Light, push the small button on the battery pack on top of the wrist. There is a velcro pouch for easier access. Each fingertip has multicolor LEDs inside. Choose from a variety of rainbow colors & different color changing speeds with every click of the button. Size: One size fits most. LED Colors:Blue, Red and Jade Batteries: Includes 2 replaceable CR2032 batteries. - Weight: 0.22 LB