These great Gloves will keep you Warm and Warm your Heart! To turn on you just have to look inside the glove to find the velcro opening. Then find the box that contains the on/off switch and remove the cardboard between the battey. Put the battery pack back inside the glove and close the velcro. Now you just push the button from the outside of the glove to get all the different light options. Super Cute and Fun for All! Adult Size!