– 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.”