Meet FitPal: a smart, flexible wearable device that provides you with valuable insight into your fitness activities. It is made of a strong silicone material and has a waterproof design. It connects to your smartphone via Bluetooth and stores up to 5 days of data. The device provides you with accurate ECG and HRV readings.
FitPal serves as a stress monitor, heart rate monitor, health analyzer, exercise readiness tester, and more. It helps you monitor your fitness level and health risks. You can find this project on Kickstarter.