Micromax always produce good product in term of quality and valuable as well and spark is one of them I bought it last year and I got every feature which I wanted in this phone as compare to other phone.it has good sound quality and camera too .its very easy to use for both tenager and elder people and I shocked that it still work as it was new so this product has good durability and reliability other thing I mention that it has good look which attract people while using this .last thing if we compare this phone features with other phone in this price there is no one phone available