Karbonn A91 is a dual-SIM Android Jelly Bean handset with 4 inch WVGA capacitive touchscreen. The 1.3GHz dual core processor and 256MB RAM work together for smooth functioning. With 1500 mAh battery users get ample talk time and standby time. In the camera segment, there is a 3.2MP camera on the back and a VGA camera on the front side. For connectivity, there is GPRS, EDGE, Wi-Fi, Bluetooth, and USB. Other features are FM radio, audio/video player, 3.5mm audio jack, and 512MB built-in & 32GB expandable memory.