==== AccuRate Heart Rate ====
* Disclaimer: this measured heart beat is for entertainment purposes only.
* AccuRate Heart Rate is Easy, Fast, and Accurate.
* Just place your finger on the lens, you can SEE your heart rate shortly.
* Monitor your heart rate and health anytime and anywhere.
* Best of all, AccuRate Heart Rate is free!
===== How It Works =====
* AccuRate Heart Rate detects the skin color changes. Each heart beat corresponds to a periodic change of skin color.
* Strongly recommend using a device with built-in flash. Otherwise, please use other source to light up the finger.
* For best result, use the tip of index finger of left hand.
* Hold the device steady while measuring; Dont move around to avoid light interference.
* Cover the lens completely, but do not squeeze it.
* Detection stops automatically in 30 seconds.