Buy with confidence!!! ABOUT THIS STEP COUNETER WATCH: In order to effectively filter out invalid steps caused by irregular movements of the hand, all step counts for single continuous movements less than 10 seconds will be disregarded (if exceeds 10 seconds, the previous step counts will automatically be accumulated). FUNCTIONS: *Calculation of Steps, calories, and mileage(Kilometers and miles can be switched) *Time,date,and week(12/24 hour format switchable) *Alarm and hourly time *Countdown and stopwatch *5 seconds EL bright backlight *30M waterproof MATERIALS: *IP electroplated glossy metal case(available in silver, gold and rose gold) *Step counting sensor made in the USA *Adjustable lightweight breathable steel woven band with stainless steel folding buckle. PRACTICALITY:This pedometer watch uses a large-capacity Japanese-made CR2032 battery, which can last up to 15 s without charging. It also does not require any APP connection and is ready to use any time you want. SUITABLE FOR : This stylish lady's pedometer watch is perfect for almost any occasion. As long as your wrist size is between : 4.33-7.67inch(110-195mm) REASONS FOR STEP COUNT ERRORS: *Irregular walking patterns (walking in crowded areas, stopping and starting while in line, etc.) *Pushing a shopping cart or stroller *Being in a location with frequent vibrations, or riding a bicycle or car *Frequent movement of hands or arms (clapping, fanning oneself, etc.), walking while holding hands, walking with a cane or stick, or any other movement where hands and legs are not coordinated *Non-walking daily activities (cleaning, etc.)