I want to buy the recent micromax model. What its battery life. Is it very costly. How its audio/video quality. What is the pixel of the camera. Is there any problem with the micromax mobile phones. Is its processing is slow. Model no.s which are highly sold. Does it look stylish.Micromax mobiles with higher memory capacity? Does it have bluetooth function. Is there any dual sim card models available. Model no.s of touchpad available in micromax.