I buy Asus zenfone max with good sound( compare to other mobile) , it very efficient to use it is little bit heavier for their battery weight which is around 5000 mh and total mobile weight 200 gm but don't worry all the Wight are efficiently transfers to its total size, I t design is much good it's edge are so slim which make him so good, it 1.2ghz Intel processor 2 gb ram 16 gb internal memory 13 and 8 megapixel camera, I t is so reliable and durability good, it come in around 9500 thousand only