FUNCTION | It will give you the systolic and diastolic blood pressure readings along with the heart rate. Convenient to track your health every day | Protect your face from saliva, sprays, splashes, droplets, dust, oil and smoke, etc | Protect your face from saliva, sprays, splashes, droplets, dust, oil and smoke, etc | Provide full coverage of your nose and mouth | Protect your kid's face from sprays, splashes, droplets, dust, oil and smoke, etc | Protect your kid's face from sprays, splashes, droplets, dust, oil and smoke, etc |