Opened and tried on. Tested and worked perfectly. Comes with the original packaging. Key features and specifications: Display: 24.13mm AMOLED color touch display. Activity Tracking: Measures heart rate, activity vs. inactivity, calories burned, blood oxygen levels, and sleep quality. Other Features: Water resistant up to 164 feet, has Bluetooth connectivity, provides access to Halo Fitness workouts and Halo Nutrition recipes with a subscription, and offers features like Movement Assessments. Battery Life: Up to 7 days on a single charge. Compatibility: Works with both iOS and Android devices.