I will tell the specs at first u will get what you are getting im your hand so it has 5 inches IPS LCD capacitive touchscreen, with a chipset pf qualcomm snapdragon 801, quad core 2.5 gigs krait 400 and it has Gpu also adreno 330 it has 2 variants in 16gb as well as 32gb both have 3 gigs of ram camera 13mp rear led flash and 8mp front you will get the other specs on internet also .
Pros and cons are for better judgement
PROS-
1 3gb ram its fast
2 camera is way damn cool. U will absolutely love it
3 miui 7 its the best Ui its interesting as well as customizable
4 if u like to root u can it wont cancel ur warranty period isnt it amazing
CONS-
1 little bit heating issues are there little bit I swear
2 no mem card so buy the 32gb variant prob solved
3 no headphonea in the box you hve to buy it separately