Sudroid LEMHOOV L15 Waterproof Dustproof Shakeproof Walkie-talkie Smartphone Rugged Android 4.4.2 3G Unlocked Mobile Phone 4.5 inch Mtk6582 Quad-Core,Dual SIM Card Slot (Yellow) Dual Camera,OS4.4.2,NFC,OTG,PTT,SOS,Bluetooth,WIFI,GPS,MTK6582,IP68 Waterproof Touch screen with thicken gloves,not afraid of cold weather,protect your hands from frostbited or numb Quad Core, Dual Sim card Slot. RAM:1GB, ROM:8GB.Support TF Card up to 32 GB Network:2G : GSM 850/900/1800/1900 MHz 3G : WCDMA 850/2100 MHz Test your heart rate and can be used as a charging treasure to charge another phone