Micromax Ninja 3.0 A57 is a powerful Android Gingerbread OS based smartphone. It offers the user a pristine TFT capacitive touchscreen of 3.5 inch. The phone has GPRS, 3G, WI-Fi, Bluetooth, and USB connectivity. The handset offers a 3MP camera, which can records good quality videos as well. For those who like to use their handsets for long the device has a strong 1400 mAh battery that provides a talktime of 4.5 hours and a standby time of 6 days. Other features include 1GHz processor, GPS, email, and 32GB expandable memory.