1.Easy to carry: small size, light weight, easy to place anywhere. Put in a pocket, bag or hung on the neck, the design is simple and easy to use 2.Accurate data: Using 3D sensor technology, you can accurately calculate your number of steps, correct the wrong number of steps within 10 steps, and accurately understand your distance and calorie consumption 3.Accurate tracking: The goal setting stage is designed through the goal progress bar, and you can easily use it to track your own pace. Set daily goal steps and maintain a proactive spirit to achieve health goals No battery provided Power mode:button battery quantity of delivery:1 piece (Package contents: Only the above package contents, excluding other products.) size:76.5*40.5*11mm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color:white colors (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.) Products from LUOLV's store