QCell 4000mAh Battery Case for Samsung Galaxy S6 Edge 4.5' inch QHD screen, dual SIM dual standby unlocked Smartphone OS Android 4.4 CPU MTK6582, cortex A7 quad core, 1. 3 GHz, RAM 1 GB ROM, 8 GB IP68 Waterproof Dustproof Shockproof Out Door Hiking Smartphone, 3 Meters Free Drop, 1 Meter Waterproof, Dustproof, 400KG Pressure Built-in GPS, Built-in Compass, Gravity Sensor, IR Proximity Sensor, Gyro Sensor, Ambient Light, Touch Sensor, 2.0MP Front Camera, 8.0MP Back Camera Military Level Rugged Phone. (IP68 Waterproof, Dustproof, Shockproof), Best Outdoor Tool