The AirQ Check also provides an intuitive user interface. The device does not rub on a battery. Instead, connecting the the AirQ Check to a smartphone through a common MicroUSB, it will take in just the little power it needs and switch on the app and detection function. Now, this is truly Plug and Play. Children, adults or seniors can now easily monitor the indoor and outdoor air quality around them anywhere, anytime to protect their loved ones and themselves. Now that you know about the smart and stylish KINGMAX air quality monitoring mobile device, what are you waiting for?