The Heart Rate Variability plugin acquires data from your Bluetooth LE Heart Rate device and calculates Heart Rate Variability features continuously.Heart Rate Variability (HRV) is a good measure for stress and relaxation. The Heart Rate Variability plugin acquires data from your Bluetooth LE Heart Rate device and calculates Heart Rate Variability features (average heart rate, average RR interval, SDNN, RMSSD, PNN50) continuously. You could track your HRV while gaming or build your own Biofeedback application easily.Operating System: Windows 8 or later 64-bitBluetooth: Bluetooth Adapter with Bluetooth LE supportChest strap or similar heart rate device: Must support Bluetooth standards for Heart Rate devicesC++ Runtime: Visual C++ Redistributable für Visual Studio 2015