Coolpad cool 1 dual is best budget smart phone design by coolpad and letv. It comes with 5.5 inch full hd display and 401 ppi. It is dual sim 4g volte device. It comes with 3/4 gb ram and 32/64 gb internal memory. It have 13 mp dual rear camera with dual tone led flash and 8 mp front camera. It give good quality of images. It comes with 4060 mah non reomvable battery. It support fast charging charge 50 percent in 30 min. It also have finger print sensor in front mounted that give quick response. It also have all basic sensor gyro, compass, proximity etc. It comes with adrino 510 gpu now you can play heavy graphics game easily.