Gionee elife s7 consist of 5.2 inch Super AMOLED full HD Display, 2GB RAM, 16 GB ROM, 13 mega pixel auto focus with LED rear camera, 8 mega pixel front camera, 2750 mAh Battery, LTE, 4g, Bluetooth and WIFI, 64 bit 1.7GHZ Octa core mediaTeck 6752 processor. At the left Side it has sim card tray which is micro sim, at the right side it has volume and power buttons.In the phone it supports otg but it cant have Expandable sd card slot.it look so slim, those who love slim phones can prefer gionee elife s7, The Camera clarity is Marvellous .