Huadoo H1 IP68 Rugged Waterproof Shockproof Dustproof Smartphone 2.0 Inch 64M/RAM 64M/ROM Quad Core Long Standby Outdoor Sports Dual SIM Free/Unlocked Cell Phones (Orange) Operating System:Nucleuc OS, Quad Core, Screen Size:2.0 inch(176*220), Dual SIM card Dimension 124.5*57.2*20mm, Storage RAM:64MB ROM:64MB , External Memory:Support up to 16GB Standby-time:330hrs, Talk-time:15 hrs, Supported Networks:2G Bands: GSM 850/900/1800/1900mHz(Quad Band), Function Key:T9 digital keypad