Tracking your weight doesn’t give you the whole picture about your health as you exercise and diet. ONE SMARTDIET is a smartphone compatible body composition analyzer that provides you with body fat & water %, muscle mass, BMR, BMI, and calories burned.
This body composition analyzer connects to your iOS or Android device wirelessly. It is tiny enough to fit in your pocket. It can work as an activity tracker too. The battery lasts for 168 hours.[where to get it]