IP68 Waterproof Smartphone Dustproof Shockproof Durable Rugged Mobile Phone Unlocked Cell Phone with NFC (Black) Dual Camera, Android 4.4.2, NFC, Bluetooth, WIFI, MTK6582 Quad Core, Dual Sim card Slot. RAM:1GB, ROM:8GB.Support TF Card IP68 waterproof, dustproof, shockproof, it could work in all terrible geographical environments such as desert, highland, swamp. Supports GSM and WCDMA(AT&T,T-mobile,Straight talk).Don't support CDMA(Verzion,Boost,Sprint).It's a 3G phone Long standby time,tough and durable,Fit for outdoor,travel use very well