[Advanced Technology] - The 3D pedometer uses the latest 3D tri-axis sensor technology to track your daily activities with extreme precision. It can display estimated calorie consumption. DATA STORAGE: 7 days memory, automatically saves up to 7 days of activity to keep you motivated and track your progress. The pedometer resets automatically at midnight, making it easy to track your daily steps, distance, and activity. [Easy to Use] - No downloading or connecting to a smartphone required. Suitable for all ages (adults, seniors and children). [Creative Carabiner Design] - No need to hang rope or clip, just hang it on your belt loop or put it in your pocket or bag . Simple design makes it easy to use. Simple fitness tracker: detect your every move in a whole new way, monitor walking distance and calculate calories burned. If no motion is detected for 3 minutes, it will automatically go to sleep mode and automatically count steps when you start exercising again.