The Renpho app is easy to use and can be downloaded from the App Store or Google Play. The data in the Renpho app can be synchronised with Samsung Health, Fitbit, Apple Health and Google Fit. Analyses of 13 important body data: Renpho Smart body analysis scale monitor 13 important body data: body weight, body fat, water, skeletal muscle, muscle mass, bone mass, protein, BMI (body mass index), BMR (basal metabolic rate). Monitors your fitness: The Renpho app helps you set goals, store historical data and track your daily, weekly and monthly progress. Important notes: Before measuring, please take off your shoes and socks. Place the scale on a hard and flat floor and step on the scale briefly to start the calibration. Technical details: 4 high-precision sensors, max. capacity 180 kg in 0.05 kg steps, easy switch-on as soon as you stand on them, automatic switch-on and off improves battery life. 3 x AAA batteries included.