OS Version: Android 7.0 CPU: MT6735 Quad-core GPU: Mali-T720MP2 Processor Speed (max): 1.3 GHz RAM: 2GB Internal Memory: 16GB External Memory: Support up to 32GB (SD Card) Display Size: 4.7 Inches Corning Gorilla Glass 3 Display Resolution: 1280×720 Pixels Touch Screen: Support Capacitive Multi-touch: Support 5 Points Frequency: 2G: GSM 850/900/1800/1900MHz, 3G: WCDMA 900/1900/2100MHz, 4G: FDD B1/B3/B7/B20 IMEI Number: 2 GPS Bluetooth 4.1 Wi-Fi: 802.11 b/g/n FM Radio Google Play Sensors: Proximity, Accelerometer, Gravity, Gyroscope, Light, Linear Acceleration, Atmospheric Pressure Portable Wifi Hotspot NFC OTG SOS Battery Size: 4500mAh Continuous Usage Time: About 14 Hours Battery Standby: About 280 Hours Charging Time: About 2.5 Hours IP68: Waterproof, Shockproof, Dustproof (30minutes 1-meter immersion of water) 2 Megapixel Front Camera (Interpolation 5.0 M)+ 8 Megapixel Rear-Facing Camera (Interpolation 13MP) Video Resolution: 640×480 Front / 1920×1080 Back.