Very beautiful mobile.It have two loudspeaker on front, It have dimension(.158.2 x 77.9 x 7.3 mm(6.23 x 3.07 x 0.29.The size of the IPHONE 7 plus is also cool( 5.5) I like the size.The resolution 1080 x 1920 pixels.It ios is also awesome( IOS 10.0.1) .quad core is 2.23 GHz .No extra sd card slot only internal memory up to 128 on this mobile camera is very power full( dual 12 mp 28mm, f/1.8, OIS & 56mm, f/2.8, 2x optical zoom, quad-LED)