1.ACCURATE STEP TRACKING WITH 3D ACCELERMETER: With a 3D accelerometer, this step tracker watch accurately captures even the smallest movements and ensures accurate pedometer. Track your activity with confidence whether you are walking or running. 2.Pedometer Modes: There are single session and daily pedometer modes for more personalized tracking. This fitness tracker without smartphone has a flexible and practical design suitable for different fitness needs. 3.COMPREHENSIVE FITNESS DATA AT A GLANCE In addition to pedometer, this pedometer tracks important metrics such as calories burned, distance travelled and your height and weight for a rounded view of your activity levels. 4.Convenient USB charging: Equipped with a polymer lithium battery and builtin USB interface, this watch provides fast and convenient charging. Simply plug it into any USB port for charging, making it easy to stay powered during your workout.