Smart app syncs with fitness app - Over millions of happy global users, Renpho app syncs with Samsung Health, Apple Health, Google Fit and Fitbit apps. 13 Essential Measurements - The scale displays body weight and data including weight, BMI, body fat percentage in the app. You can weigh yourself anytime without your phone. The data syncs to the app once it is connected again. Body Composition Monitor with App - Download Renpho App in App/Google Play. Renpho app works with Bluetooth 4.0 and above. The app also supports baby mode which records the weight of children and pets. Premium Quality Product - Self-calibrating and high precision sensors measure in 0.05kg increments with a capacity of 180kg. 4 sensitive electrodes, 5mm tempered glass top. Elegant design - perfect bathroom scale with a modern and elegant design. 3 AAA batteries included.