Over millions of happy users worldwide: The RENPHO App syncswith APPLE HEALTH, GOOGLE FIT, and FITBIT Apps. 11 Essential Measurements: Including body weight, BMI, muscle mass, body fat percentage, and more. High-quality innovation with auto calibration, high precision sensors measure in increments of 0.2lb/0.05kg with 396lbs/180kg capacity. Features 4 high-sensitive electrodes, a 5mm tempered glass platform, and includes 3 AAA batteries. Modern and sleek design with classic black color. The smart bathroom scales work with the Renpho Health app. Record body composition indicator data in the app. Once the scale is connected to the phone again, the data will be synchronized to the app. The "Renpho Health" app works with Samsung Health, Apple Health, Fitbit, Google Fit, and offers an app for Apple Watch (Except for Apple Watch Series 1). One scale for unlimited users: The weighing scales allow you and your family to share one scale together. It's convenient for every member to know their body metrics better and do relevant improvements. It also supports baby mode to record the weight of children and pets. Monitor your progress: Renpho scale connects with the apps to help motivate toward your goals, save historical data, and track your daily, weekly, and monthly progress. Download the "Renpho Health" app at the App Store or Google Play. The "Renpho Health" app works with Bluetooth 4.0 and above.