Temperature indicator labels for medical purposes; Electronic temperature monitors for medical use; Health monitoring devices consisting of blood pressure monitors, thermometers and pedometers; health monitoring device with built-in temperature sensor and wirelessly linked to mobile device; Medical devices for monitoring body temperature, and also featuring a system consisting of a earpiece and a tag near the facial mask for transmitting monitored data through the Internet, as a component of the medical devices; Radio frequency identification (RFID) with barcode capable of transmitting health data to mobile device