Meet the CorSense: a smart wearable device that measures heart rate variability to help you better understand your body, including stress level and biological health. Simply put it on your finger, open a HRV app, and you will start getting results.
CorSense is portable and comfortable to use. It comes with a LED indicator light, soft silicone interior, optical sensors, Bluetooth, an ARM Core processor, and rechargeable battery that lasts over 4 hours.