M1--Waterproof Rugged Smart Phone I

OS: Android 9.0/10.0
Display: 5.71” HD+  IPS;  G+F+F  capacitive touch
CPU: MTK6739,  Quad Core;
Dual SIM: WCDMA + GSM
GSM /EDGE: 850/900/1800/1900MHz; 
WCDMA/UMTS/HSPA: 850/1900  or 900/2100
4G FDD LTE bands:
*option 1: Band 1 (2100), 3（1800）, 7（2600）, 8（900）, 20 (800);
*option 2: Band 4(1700),  5( 850), 7 (2600), 17 ( 700);  
Memory: 3G RAM, 32GB Storage;
External Memory: max. 128GB
Camera: 5.0MPFF  front-facing, 13.0MP AF rear-facing.
Support FM, Bluetooth, WiFi, GPS, NFC(for optional)
Sensor: Accelerometer, Rotation Vector
Features:IP68,Dual sim dual standby

Battery Capacity: 4000mAh
Product size:  149.5x73.5X13mm

                    SPECIFICATION