Samsung unveiled Galaxy S7 and S7 Edge on sale March 11, 2016

The New Samsung Galaxy S7 and S7 Edge unveiled 

Earlier this week Samsung introduced the new Samsung Galaxy S7 and S7 Edge ahead of the Mobile World Congress
in Barcelona Spain,which are water resistant, an expandable slot for SD memory card and a big battery to watch video for up to 13 hours on a single charge and the new wireless charging feature among others.

Design: Galaxy S7 and S7 Edg:

Both phones are made form aluminium and similar to the older version S6 but the back is slightly curved, the S7 screen remains 5.1 inch as S6 and S7 Edge with 5.5 inch.
S7 and S7 Edge are water resistance to a depth of roughly 1.5m for 30mins and this also cover the charging port of the phone.