Military Standard IP68/P69K Waterproof, Dustproof, Shockproof BV4900 Rugged Mobile Phone has passed IP68/69K MIL-STD-810G certification and can withstand drops of up to 1.5M without worrying about any scratches or accidental drops. The rubber shell and completely sealed design make BV4900 can be used for 30 minutes in 1.5M of water and can work normally in the temperature range of -20℃ to 60℃ this Blackview BV4900 Rugged Smartphone is born for extreme sports enthusiasts and outdoor workers. Good Balance of Toughness and Aesthetic the Blackview BV4900 Phone has a 5.7" HD+ 18:9 ratio screen, which provides an excellent 360-degree viewing angle, providing a stunning and immersive viewing experience. With high resolution of 720*1440,it can provide you with excellent and perfect optical performance. Everything you see on the mobile screen will be as clear as possible. Protected by Corning Gorilla Glass, it can better resist daily drops and scratches, and will always make your phone a new look. Different from the previous Blackview Android Smartphones,BV4900 Tough Phone uses the latest Google Android 10.0,which is optimized for gesture navigation, dark mode, grey mode, privacy control and other operations, provides a different experience. As a cheap but excellent tough phone, BV4900 has a built-in MediaTek MT6761V/WE quad-core processor and 3GB RAM+32GB ROM, which can react quickly and greatly improve performance. Expanding to 128GB of memory can bring you unlimited possibilities. With a 5580mAh Battery Outdoor Smartphone & OTG Benefiting from the high energy efficiency of the chipset, intelligent power management system and 5580mAh battery, the battery life of the BV4900 mobile phone has been perfectly improved, allowing you to complete more work with one charge. OTG reverse charging function makes your life more convenient. Let BV4900 Rugged Phone be active by your side at any time, ready for your needs! With these Powerful Functions the Blackview BV4900 is a rugged, durable and reliable mobile phone which incorporates the latest features and functions in an excellent design. Compass, Magnifier, Gradienter, Height Measure, NFC...Blackview BV4900Pro is the most cost-effective outdoor phone! We will provide a 1-year free warranty for 4G Dual SIM Rugged Phone BV4900 so if you are an outdoor sports enthusiast who pursues a high-performance rugged mobile phone, then the BV4900 is the best choice for limited budget!