The iPhone 6s features a 12MP iSight camera, as well as a 5MP Facetime camera with flash. For better color performance, the new iSight camera has its color filters inside photo diodes, and deep trench isolation separates diodes for more color precision. The new camera features 4K video support and the ability to take 63MP panoramic photos. The iPhone 6s has improved speed and a sturdier build compared to earlier models; 3D Touch; and the last remaining iPhone with a built-in 3.5mm headphone jack. This model weighs 5 ounces, has a 4.7 inch touch screen display, 12-megapixel main camera, and 5-megapixel selfie camera. The iPhone 6s was released on September 9, 2015. Compatible with CDMA/GSM carriers, including Verizon Wireless, Sprint, AT&T and T-Mobile.