[ Advanced Technic ] - The 3D step counters uses the latest 3D Tri-Axis Sensor technology to track your daily activity with superb accuracy. And It can shows the estimated calories burned. [ Data Storage ] -7 days memory, automatically stores up to 7 days of activity so you can keep motivated and track your progress. The pedometer automatically resets at midnight so you can easily track your daily steps, distance and activity. [ Creative Carabiner Design ] - No lanyard or clip required,Just hook it to your belt loop,you can also put it in your pocket or bag. Simple design makes it easy to use. [ Easy to Use ] - No downloads or smartphones connections required. Perfect for all ages (adults, seniors and children).Easy to follow User Manual to guide you through. [ A Simple Fitness Tracker ] - Understand your every move,Monitor walking distance and calculate calories burned,by a new way! if no motion is detected for 3 minute,it will auto sleeps, auto counts steps when you start moving again.