Aeg 8in1 diagnostic scale with bluetooth and app pw 5653 bt (white)diagnostic scale with bluetooth function to analyze weight, body fat percentage, water percentage, muscle mass, bone weight, organ fat, calorie consumption and bmi (body mass index). innovative technology body data is transmitted directly to their app via modern bluetooth smart technology additional function via smartphone and tablet pc through free download of a dedicated app. apple system requirements: ios 6.0 or higher + bluetooth 4.0 or higher. android system requirements: android 4.3 and higher + bluetooth 4.0 or higher. more information about smart scale app statistics/evaluations permanently available on the go.