Samsung Galaxy S7 mobile featuring gorilla glass 4 on the front and back side and it has metal body. screen size of it 5.1 inches Quad HD (2560*1440), android version 6.0.1 marshmallow, 4 GBLPDDR4 ram optional dual sim slut, internal 32 GB, external expandable micro SDn up to 200 GB, 3000 mAH battery with android marshmallow battery optimization feature, AMOLED display and more efficient CPU so battery life is long. quick charging support as well as wireless charging. 12 mp camera autofocus and has better low light photography. It uses larger 1.4 UM pixel and a lense with F-stop of 1.7 to let 25% more light into the sensor. bluetooth v4.2 with A2DP, micro-USBv2.0 with OTG support, ultra power saving and power saving mode.