Gently used, great shape! I've reset to factory settings, comes with charger. You will need to sign up for an account with Fitbit and register this device. Requires use of Fitbit app with compatible iPhone or Android devices. A Google account will be required. Lunar White/Soft Gold Fitbit Luxe - the fitness tracker that doubles as jewelry • Jewelry design • Vibrant color display • Stress management tools • 6-month Fitbit Premium trial1 • Light, deep, and REM sleep tracking • Up to 5 days of battery life2 • Active Zone Minutes • 24/7 heart rate tracking • Call, text, and app notifications3 • Water resistant to 50m