Micromax Funbook Infinity P275 official Pictures. Micromax Funbook Infinity P275 is a Smartphone of micromax. The Micromax Funbook Infinity P275 Android Tablet. Announced 2012. Features 7.0″ Display, 2 MP Primary Camera, 4000 MAh Battery, 4 GB Storage, 512 MB RAM. Micromax Funbook Infinity P275 price starts.