Use the camera and the flash of the smartphone to measure the heartbeat: all you need to do, once the application is open, will put your finger on the lens, and wait for the app to detect the value of your current pulse.
WARNING: This is not a medical product.
使用相机和智能手机的闪光灯测量心跳:所有你需要做的,一旦应用程序是开放的,就会把镜头在你的手指,并等待应用程序检测您的电流脉冲的价值。
警告:这是不是一个医疗产品。