The Samsung Gear S2 is a compact and stylish smartwatch that offers a range of features in a smaller form factor. It features a circular AMOLED display and a rotating bezel for easy navigation. The watch offers fitness tracking features like heart rate monitoring, activity tracking, and built-in GPS. It also has smart features like notifications, music control, and Samsung Pay. With its sleek design and interchangeable straps, the Gear S2 is a popular choice for those who prefer a smaller and more lightweight smartwatch.