1. Measure your weight instantly with your iOS device by BLE technology; 2. Record and chart measurements over time; 3. Track your calories and daily activities with iOS apps; 4. Share results with fitness buddies and more; 5. Set target goals for weight management. Help establish the weight control plan; 6. Sync all the data on multiple iOS device by iHealth Cloud; 7. Smooth design, ultra-white plane and transmissive breathing LED.