Product size about : 7.4*4.4cm/2.9*1.7'' Product color: As shown in the figure Product material:ABS Battery: CR2032*1 product features: ​Precise Activity Monitoring​​:Keep an accurate record of your steps and calories burned with our 3D sensor technology, which includes error correction to ensure your numbers are always spot-on, whether you're walking, running, or on the go. ​​Never Lose Your Progress​​:Your step counts stay safe for a full 7 days thanks to the built-in memory function, so you can easily check yesterday's stats or track your weekly fitness without worrying about resetting. ​​Clear and Easy Reading​​:The extra-large LCD screen shows your steps, calories, time, and more in bold, easy-to-read numbers, making it a breeze to glance at your stats even while you're moving. ​​Comfortable Wear Options​​:Clip it securely to your waist with the included sturdy back clip or attach the lanyard for neck weareither way, enjoy freedom and comfort during workouts with no hassle. ​​User-Friendly Design:​​Soft silicone buttons provide a gentle touch and simple navigation, while features like unit conversion (metric or imperial) and compact size make it ideal for daily use anywhere. Precautions: 1. As we 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 contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc 3D sensing pedometer