PINGKO 3D Carabiner Walking Pedometer Best Activity Fitness Tracker Advanced Technic : Silent 3D Advanced Tri Axis walk sensor technology.The ony wireless tracker designed so nobody knows you're measuring your fitness! it won't miscount steps.The ony wireless tracker designed so nobody knows you're measuring your fitness!Fits right in your hands or pockets,bags.Included strong carabiner clip. Tracking Function : Walking 3D Pedometer built on 3 Dimensional Advanced Tri Axis sensor technology, which helps to track activities as accurately as possible. Error Correct Function : 10 steps error correction feature. 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. Small& Light:Easy to wear and compact, dimensions: 1.5 x 0.37x 3 inches, weight: 4.2oz. It comes with a carabiner for you to carry around. So convenient!