[Advanced Technology] - The 3D pedometer uses the latest 3D tri-axis sensor technology to track your daily activities with extremely high accuracy. It can show 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). Easy-to-understand instruction manual. [Creative Carabiner Design] - No need to hang rope or clip, just hang it on the belt loop or put it in a pocket or bag. The simple design makes it easy to use. Easy Fitness Tracker: Re-detect your every movement, monitor the walking distance and calculate the calories burned. If no movement is detected within 3 minutes, it will automatically go to sleep and automatically calculate the number of steps when you start exercising again.