Charm to Accessorize the Fitbit Charge and Other Fitness Trackers - The RHIANNA Die Cut Silver Butterfly Wing Charm to Dress Up Your Favorite Fitness Tracker Compatible with the Fitbit Charge, Charge HR, Fitbit Charge 2, Garmin Vivofit and Garmin VIvosmart HR. SIZE: Length = 1.9 inches, Width = 1.1 inches Beautiful & high quality, this is a great alternative to more expensive Fitness Tracker Jewelry! Ideal to wear on just about any occasion- dates, parties, to the office, weddings or any event! This product is not an official product of Jawbone, Garmin or FitBit Inc. Band and Activity Tracker not included.