Product name:step counter Product size about:5*5*2.5cm/1.96*1.96*0.98in Product color: As shown in the figure Battery: AG10 Product material: ABS product features: 1. LARGE SCREEN DISPLAY: The pedometer features a large screen display that easily and clearly shows your steps, calories burned and other fitness data. Stay motivated and track your progress at a glance. 2. SMART STEP COUNTING: This smart pedometer accurately counts your steps and provides precise data to help you achieve your fitness goals. Whether you're walking or running, this device records your every move. 3. CALORIE CALCULATION: This pedometer has a smart calorie counting feature that accurately estimates the number of calories you burn during your activity. You can keep track of your energy consumption and make informed decisions about your diet and exercise routine. 4. RUNNING COUNTER: In addition to counting steps, this pedometer also features a running counter. It can record your running distance, speed and time to help you monitor your performance and improve your running ability. 5. SMART FUNCTION: This smart pedometer has a memory function to save your previous steps and a power saving function that will automatically turn off the device after 1 minute of non-use. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc step counter