You better know how to flash ROM in order to buy this phone.
CPU: MediaTek MT6752 64bit 1.7GHz octa-core high-speed processing platform
GPU: ARM MALI-T760
OS: Android 5.0
RAM+ROM: 2GB+16GB
Camera: Dual cameras back-13MP, front-5.0MP
Screen: 5.5 inch IPS capacitive screen, FHD 1920 x 1080 pixels
Bluetooth:4.0
Support Wifi/3G/4G/GPS/Gravity/Gesture /FM/MP3/MP4
Networks:
2G: GSM 900/1800/1900MHz
3G: WCDMA 850/900/1900/2100MHz
4G: FDD-LTE 1800/2100/2600MHz
Not a bargain as it's $25 cheaper on Aliexpress.