ASUS zenfones are very good quality smartphone, with affordable prices and with good qualities smartphones. This smartphones is approx 11000 in india with 5.5 inches TFT display and screen resolution is 1080/1920.And it has android 5.1 Lollipop version with 1.3 Ghz OctaCore processor. The sound quality is quite good with 3.5 mm jack . It has 3 GB ram, 16 GB internal memory and 128 GB expendable memory. The front camera is 5 Mp & secondary camera is 3 Mp. It has a super powered battery of 4160 mah battery. I recommend users to buy this smartphones in an affordable price is this is a good and long lasting battery backups smartphones.