The SUMMIT+ APP gives you the ability to fine-tune your SUMMIT+, made by VAPIUM®. With the SUMMIT+ APP, you can monitor the battery level, adjust the temperature, session time, and update the firmware of the SUMMIT+. A bonus function on the APP now allows the user to boost the heating temperature of the SUMMIT+, in both Celsius and Fahrenheit. There is an informational element to the APP that informs the user of various aromatic materials, main properties, usage and correct temperature settings. The connection to your smartphone is via Bluetooth (iPhone 4s or higher). Connect now with the SUMMIT+! (Requires Android 4.4 or higher)