IP68 waterproof 4 inch 3G Android Smartphone with NFC function

Features:IP68 waterproof Android Smartphone with NFC function
Dimensions:138.1*68.9*21mm
Net Weight:228g (include battery)IP68 waterproof 4 inch 3G Android Smartphone with NFC function
Band:2G: GSM 850/900/1800/1900MHz, GPRS; 3G: WCDMA850/1900//2100MHz
Sim Card:Dual SIM Card Dual Standby
OS:Android 4.4.2
CPU:MTK6582, Cortex A7 Quad core, 1.3GHz; GPU: Mali-400
RAM:1GB RAM
ROM:8GB ROM, support TF card up to 32GB maximally
Display Size:4.0 inch 260K colors IPS capacitive touch screen, 800*480px, 240dpi
Camera:Double cameras, front camera 2.0MP, back camera 5.0MP auto focus with flashlight
Ringtones Type:Polyphonic/MP3
Audio File Format:MP3, AAC, MIDI, WAV,AMR
Video File Format:MPEG4, H.263, H.264 30fps, RMVB etc.
Image File Format:JPEG/BMP/GIF/PNG/GIF
E-book Format:TXT/CHM/DOC/HTML
FM Radio:Yes, earphone needed
Earphone Port:3.5mm
Data transfer:USB/Bluetooth
Mobile internet:WAP/WIFI802.11b/g
Phonebook:500
Message:SMS/MMS
Input:Handwrite/Keypad
GPS:Yes, built in, support A-GPS
NFC:Yes, support
Bluetooth:Yes, V4.0
Sensor:Light sensor, distance sensor, accelaration sensor
Outdoor tools:E-Compass, torch, predometer, pressure sensor
Standby Time:Up to 150 hours
Other Features:Calendar, clock, calculator, Email, tethering & portable hotspot, play store .etc
Languages:English, Afrikaans, Bahasa Indonesia, Bahasa Melayu, Catala, Cestina, Dansk, Deutsch, Espanol, Filipino, French, 
Hrvatski, IsiZulu, Italiano, kiswahili, Latviesu, Lietuviu, Magyar, Nederlands, Norsk, Polish, Portuguese, Romana, 
Rumantsch, Slovencina, Slovenscina, Suomi, Svenska, Vietnamese, Turkish, Greek, Bulgarian, Russian, Ukrainian, 
Hebrew, India Urdu, Arabic, Persian, Hindi, Bengali, Thai, Cambodian, Korean, Japanese, Simplified/Traditional Chinese
Color:Yellow, black, green
Accessories:1 x 3000mAh Battery
1 x USB Cable
1 x USB Charger
1 x 3.5mm Earphone
1 x User Manual