Fitness Tracker & , this lightweight wearable packs professional-grade monitoring into a slim, "dark black" design that goes with everything. Key Features Health Monitoring: 24/7 Heart Rate tracking, Blood Oxygen (SpO2) levels, and detailed Sleep Analysis. Fitness Tracking: 20+ Sports Modes to accurately track your workouts, steps, and calories burned. Compatibility: Works seamlessly with both Android and iOS smartphones. Design: High-definition color display with a comfortable, adjustable silicone band. Smart Features: Get call/text notifications and app alerts right on your wrist. Condition & Specs Condition: Open Box - Good. (Item has been inspected and is in great working order). Color: Dark Black In the Box: Fitness tracker and charging cable.