Atmotube makes you smarter about the air you breathe Atmotube Plus is a portable, portable device that monitors the quality and safety of the air you breathe.   It measures real-time air pollution caused by harmful gases and a wide range of volatile organic compounds (VOCs) such as acetone, methanol, benzene, ethanol, toluene, xylene and formaldehyde. It also measures atmospheric pressure, temperature, and humidity.  Atmotube Plus constantly monitors the air around you and alerts you immediately when the air is not safe. Accurate and reliable air quality sensor: VOC sensor does not require any actions from you for calibration Built-in weather station: Atmotube PLUS has barometric pressure sensor for more useful information and real-time alerts for people who are sensitive to weather changes. Temperature and humidity: Keep an eye on the air temperature and humidity to stay in a comfort zone and feel better. Long-lasting battery: Atmotube PLUS tracker can run for up to 1 week on a single battery charge. USB Type-C - any side works Functional design and improved portability: You can securely attach your Atmotube to your bag or belt and take it with you wherever you go. H: 66 mm - W: 22 mm. Weight: 38 g Increased antenna performance: The Atmotube PLUS connection to your smartphone can reach up to 30 feet via Bluetooth 5.0..