Geo Phone T15 powered by Kai Operating System is a 4G VoLTE enabled device with necessary apps for your digital life style. It is notably the world's first Smart Feature Phone with built in Infrared Thermometer. KaiOS is a mobile operating system based on Linux and originated from the Mozilla Firefox OS family. The primary features of KaiOS also include, GPS, Wi-Fi and HTML5-based apps such as Facebook, What’s App, YouTube, Google Voice Assistant etc. Due to non-touch and optimized user interface, less memory and energy consumption is required and can run on just 256 MB of Memory. It also features over-the-air updates. Like Android Play Store KaiOS also has a dedicated app marketplace called KaiStore which enables users to download more than 600+ applications. The concept of KaiOS phone is already sold over 100m devices around the world in more than 100 countries.