⚡⚡【6300mAh Massive Battery】DOGGEE S41T rugged smartphone unlocked is equipped with a 6300 mAh large battery to provide all-day power for your outdoor adventures or long shift work without interruption. Long-lasting unlocked android phones battery uses up to 15 days on standby, 2-3 days of normal use, and 29 hours of calling..⚡⚡【64GB Storage & AI Triple Camera 】DOOGEE S41T rugged smartphone with 13MP Triple Rear Cameras, allowing you to freely capture the moments and beauty of the world. and stunning selfies with a 8MP front-facing camera to capture crisp moment. 8GB RAM(4GB+4GB Extended RAM) and 64GB ROM （available for expanding micro SD card up to 1TB - SD card not included rugged phone unlocked ensures enough storage to store the images..⚡⚡【IP68/IP69K Rugged Smartphone】DOOGEE S41T ugged phone unlocked is made of tough stuff and complies with harsh environments using standards which is passed IP68/IP69K and MIL-STD-810H tests outstandingly. Feature excellent protective military grade rugged smartphone is worry free on dropping from 6FT height onto the ground, fully submerging into 4FT depth water 30mins, dusty or sandy complete covering..⚡⚡【Dual SIM 4G Phone】DOOGEE S41T Rugged phones unlocked is compatible with GSM T-mobile, not work with AT&T and new Cricket, Verizon. (Please check the compatibility with your local frequency band before purchasing) Supported frequency bands: FDD: B1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28A/28B/66 TDD: B38/40/41 WCDMA: B1/2/4/5/8 GSM: B2/3/5/8 Support EDGE/GPRS.⚡⚡【Satisfaction Guaranteed】Please confirm compatibility with your carriers before purchase our dual sim cell phone! DOOGEE is committed to providing our consumers the absolute best value and quality on our entire line of rugged smartphones. As DOOGEE rugged smartphone valued members you have - 2-year free warranty, 30 days of money back without reason, 7/24 professional team here to serve you with any problems.