IPhone 6s comes in four colors: gold, silver, dark gray and rose gold. The screen adopts high-strength Ion-X glass, and the processor adopts Apple A9 processor. Compared with A8, CPU performance is improved by 70% and graphics performance is improved by 90%. Rear camera12 million pixels, front camera 5 million pixels. Camera focusing is more accurate, CMOS? In order to reduce noise, the "deep groove isolation" technology is adopted to support 4K video recording. In terms of data connection, it supports LTE network with 23 frequency bands and WIFI connection with twice the speed.