Samsung unveiled its flagship Galaxy S7 and Galaxy S7 edge smartphones featuring a more refined design, more advanced camera, streamlined software functionality and unparalleled connectivity to a galaxy of products, services, and experiences.
The Galaxy S7 and Galaxy S7 edge introduce the first Dual Pixel camera on a smartphone, offer fast wired and wireless charging technology, and boast a hybrid SIM card tray supporting microSD cards of up to 200GB of additional storage. In some countries, the tray can be used with a dual SIM card.
http://www.samsungmobilepress.com/2016/02/22/Samsung-Unveils-Next-Generation-Smartphones-at-the-Core-of-its--Connected-Galaxy-Experience