Smart Body Weight Scale Your Weight Management Expert Feature You caneasily manage your weight , the mobile phone has a recording and tracking function , and you can view daily/weekly/monthly/yearly changes. INSMART Health APP can measure16 items of body data:Weight, Muscle Mass, BMI, Body Fat, Body Water, Visceral Fat, Bone Mass, BMR, Body Age, Protein, Subcetaneous Fat, Fat Level, Body Type, Lean Body Mass, Standard Weight, Skeletal Muscle. Using the latest BIA (Bio-Impedance Analysis) technology. high quality VA tempered glass plate & high precision sensor. The high-precision sensor has a measuring scale of 0.05 kg and a capacity of180 kg . Core data from the INSMART Health APP syncs with Samsung Health, Apple Health, and Google Fit. INSMART Health accountcan add unlimited users . You can share the scale with your family and share your achievements on social platforms. Technical details: Step-on technology / Automatic switching on and off / The weight unit can be switched on INSMART Health APP (kg / lb / st) /FCC, RoHS, FDA, CE approved. Support 15 kind of languages : English, Japanese, Italian, Spanish, French, Portuguese, Korean, Arabic, Dutch, Polish, Russian, Hungarian, Czech, Simplified Chinese, Traditional Chinese. For smartphone with Bluetooth 5.0 and operating system iOS 8.0 / Android 6.0 or higher. Tips to check first if you encounter a problem Question 1 Q: Why can't I see 13 items of data such as BMI, muscle mass and body fat percentage in the app? A: Download the app "INSMART HEALTH", log in to account/guest mode, enter personal information (height, age, etc.), apply moisturizer to the soles (applicable for some dry weather), barefoot with electrodes Stand still, wait 25 seconds, and check various data on the app. Question 2 Q: Why can't I open the Bluetooth scale and connect it to my phone? Please explain the detailed settings. A: You need to connect the scale with APP. Download the APP INSMART HEALTH. Open the app---enter the settings----pairing devices-----additional devices---turn on Bluetooth on your smartphone, turn on location permission, barefoot on the scale--on the INSMART scale Connect - Confirm 13 items of physical data. Question 3 Q: Why can't the INSMART body composition monitor measure? A: a. Stand on the four electrode sheets on the body fat with dry feet. b.You can measure again after getting on and off once and the scale becomes 0. c. Please check if the personal information on the app is correct. Question 4 Q: Are batteries included? Is there a warranty period? A: The packaging contains batteries, so please check it immediately after receiving the product. Also, the product has a one-year warranty period, so