This is a very good specs phone for the price much lesser than anything else.
It's the dual sim model available from Amazon.
4G: FDD LTE 1800/2100/2600MHz
Double Camera, Front Camera 5.0MP, Back Camera 13.0MP
Dual Sim(Sim1 GSM UMTS LTE; Sim2 only GSM)
Supports OTG, WLAN hotspots, Bluetooth 4.0