Features of Karbonn S109General Network 3G Dual SIM Yes Touch-screen Yes Display Screen Size 4.5 inch Display Type FWVGA Memory Internal Memory 8 GB External Memory 32 GB RAM 512 MB (0.5 GB) Camera Rear Camera 5 MP Rear Camera Flash Yes Front Camera 2 MP Connectivity WIFI Yes Radio Yes GPRS Yes EDGE Yes USB Yes Bluetooth Version 4.0 With A2DP OS OS Android OS Version Android 4.4 Processor Processor Type Quad Core Processor Speed 1.2 Ghz Battery Battery Type Li-ion Battery Capacity 1600 mAh Sound 3.5mm Jack Yes Loudspeaker Yes Body Height 134.8 mm Width 67.8 mm Thickness 9.9 mm Type Bar