These WW Bluetooth body analysis scales link with our free scales app to track your weight, BMI, body fat %, body water %, bone mass % and muscle mass % over time, allowing you to set goals and earn badges for extra encouragement. The app can setup user 1 to 9, and then with just using the scale as a normal scale you can setup users 2 to 10. Comes with free Conair app for your smartphone to track progress over time. 10-user memory measures each user’s bmi, body fat, body water, bone mass and muscle mass; high visibility large 92mm x 49mm display. Glass platform. Maximum capacity 182kg (28st 8lb). Size H31.5, W31.5, D2.8cm. Batteries required 3 x AAA batteries (included). 10 user memories. Measures BMI - body mass index, a guide to healthy body weight based on height. Measures body fat . Measures body water - how hydrated your body is. Measures muscle mass - the amount of the body made up of muscle. Displays start weight (kg). Displays last weight (kg). Manufacturer’s 15 year guarantee. EAN: 3030053289227.