We collect user data with mcaretech.com when using member mode Data items we collect (name, phone number, measurement data, gender, etc.) - To use the app, you need to purchase a Smart Pulse device - Smart Pulse is manufactured by Medicore Co., Ltd in South Korea - Place your left index finger on the red light inside the device and relax to get your stress level and arterial health status can be measured - Bluetooth Connection: Android 4.4 or over which support Bluetooth 4.0 - Manufacturer: Med