The iPhone 6s Plus is a smartphone developed by Apple Inc. It was released in September 2015 and comes with a 5.5-inch Retina display with a resolution of 1080 x 1920 pixels. This particular model has a storage capacity of 64GB, providing ample space for storing photos, videos, music, and other files.

The iPhone 6s Plus is powered by Apple's A9 chip, which delivers fast and efficient performance. It has a 12-megapixel camera on the rear with optical image stabilization, phase detection autofocus, and dual-LED dual-tone flash. The front-facing camera is a 5-megapixel camera that supports features such as face detection, HDR, and panorama.

The device is available in a range of colors, including gold, which gives it a stylish and sophisticated look. It includes features such as Touch ID, which allows for secure fingerprint recognition, and 3D Touch, which adds a new dimension of interaction with the device. It also includes a Lightning port for charging and audio, as well as a 3.5mm headphone jack.

The iPhone 6s Plus runs on Apple's iOS operating system and is compatible with a wide range of apps and services from the App Store. It also includes features such as Siri, Apple's intelligent personal assistant, and Apple Pay, which allows for secure mobile payments.

Overall, the iPhone 6s Plus is a reliable and powerful smartphone that delivers solid performance and a good camera system. Its larger screen size and storage capacity make it a popular choice for those who want a bigger and more capable iPhone. While it may not have all the latest features found in newer models, it still offers a great user experience and excellent value for its price.