为一篇英文科技新闻写一个标题，并提供一个短的概述。


文章内容:
Apple has announced the release of its latest iPhone model, the iPhone 13. The new model features improved camera capabilities, extended battery life, and a 120Hz display. In addition, Apple has introduced a new color, Sierra Blue, to the iPhone lineup. The iPhone 13 will be available for pre-order starting September 17th.
Title: Apple Unveils iPhone 13 with Enhanced Camera and Battery Life 

Summary: Apple has announced its latest iPhone, the iPhone 13, which includes improvements in camera capabilities and battery life as well as a 120Hz display. The phone will be available for pre-order starting September 17th and features a new color, Sierra Blue.