Apple iPhone 6s specifications are IOS 9, with 12 mega pixel camera, 2 gb RAM, 143g weight, the battery life of iPhone 6s is decent it is quite enough for full day usage for navigation and video calls the battery relatively drains . iPhone 6s has a wonderful hardware and software .3D touch will attractive you in first look .7000 aluminume has made 6s much stronger .screen flash and faster CPU, GPU and some other featured have made it outstanding