BLU Touch Book 7.0 Lite official Pictures. BLU Touch Book 7.0 Lite is a Smartphone of blu. The BLU Touch Book 7.0 Lite Android Tablet. Announced Sep 2012. Features 7.0″ Display, 3000 MAh Battery, 4 GB Storage, 512 MB RAM. BLU Touch Book 7.0 Lite price starts.