3g portable POS machine

Processor: MT6580
Operating system: Android 7.0
Display screen: 3.97 inches, 480*800
Memory: 8GB +1GB
Camera: 500W pixels
Iris camera: OSRAM
Battery capacity: 3000mAh
Positioning: GPS
Bluetooth: BT4.0
WIFI: 802.11 b/g/n
Scan head: 2D