Shop for Jewelry & Watches online at Macys.com. The key to a good time. Betsey Johnson's long pendant necklace is both adorable and helpful with a pink heart key that doubles as a bottle opener. Includes Macy's exclusive gift box. Lobster clasp. Crafted in gold-tone mixed metal. Approximate length: 30 inches + 3-inch extender. Approximate drop: 4-1/4 inches.