Xiaomi Mi Smart Band 4 Fitness Tracker (Original)

• Heart rate monitoring: 24/7 heart rate tracking to monitor your heart rate during workouts and daily activities
• Sleep tracking: Analyzes your sleep patterns, including deep sleep, light sleep, and REM sleep stages
• Activity tracking: Tracks steps, distance, calories burned, and sedentary reminders
• Sports modes: Multiple sports modes including running, cycling, swimming, and more for tracking specific activities
• 5 ATM water resistance rating (up to 50 meters) for water-based activities and swimming
• Bluetooth 5.0 for seamless connectivity with your smartphone
• Compatibility with Android (4.4 and above) and iOS (9.0 and above) devices
• Mi Fit app for syncing and analyzing fitness data
• Built-in rechargeable battery
• Battery capacity: Typically lasts up to 20 days on a single charge (may vary depending on usage)
• Music control: Control music playback on your smartphone from the fitness tracker
• Notifications: Receive call, message, and app notifications on your wrist
• Weather forecast: Check the weather conditions directly on the tracker
• Alarm clock, timer, and stopwatch functionalities

Overall, the Xiaomi Mi Smart Band 4 is a feature-packed fitness tracker that offers comprehensive health and activity tracking capabilities, a vibrant display, and a long battery life. Its water resistance and various sports modes make it suitable for tracking workouts and outdoor activities.