Firstsing 4G Smart phone 5.0 inch Android 5.1 WIFI GPS Mobile Phone with double Camera Sensors

OS:Android 5.1
CPU Processor:SC9832
Band:2G/3G/4G
LTE:B1/B3/B5(B8)/B7/B20
WCDMA :B1/B8
GSM:900/1800MHz
Screen Size:5.0 inch FWVGA TN
Camera:Front 2M,Rear 5M AF
Memory:8GB+1GB
Sensors:Accelerometer,G-sensor
Others:FM,Bluetooth,WIFI,GPS
I/O Jack:Micro 5 Pin
Battery:2500mAh(3000mAh Optional)
2500mAh battery, power saving mode and standby intelligent power saving mode, you can make it through a day without any pressure.