Micromax X640 is a dual-SIM phone with 3.2 inch resistive touchscreen display. It has 2MP camera and features such as digital zoom, and video recording. It provides Wi-Fi, Bluetooth, and GPRS connectivity. The phone has music player and FM radio. It comes preloaded with Google apps. Other features include 1000 mAh battery, email, Opera Mini browser, and 16GB expandable memory.