• Tracks heart rate, sleep patterns, and activity levels accurately. • AMOLED color display shows notifications and fitness data clearly. • Water-resistant up to 50 meters for swimming and water sports. • Battery lasts up to 14 days on a single charge with typical use. • Monitors steps, distance, calories burned, and various workout modes. • Compatible with Android and iOS smartphones via Bluetooth. • Brand new condition, rubber band is comfortable for all-day wear.