- To activate, twist backing clockwise. To deactivate twist counterclockwise. - Piece can only be worn by pierced ears. - To attach, slip the hook into pierced ear just like any normal earring. - Wear day or night. - Enjoy! LED Colors: 1 Blue, 4 Green Batteries: Includes 1 CR927 Battery per earring. Batteries for this product are replaceable. NOTE: Returns for this item will not be accepted unless the product is in its original packaging. All originally included componets must also be included within the packaging upon return."