Multi-Faceted Design, Extended Lifespan. Stay powered from morning to night with the 5500 mAh BlueVolt battery that's optimized for all-day use. 5-Year Battery Health, Engineered for Long-Term Use. Compared with 5000 mAh, 5500 mAh gives you an extra 500 mAh—equivalent to one more year of use! This BlueVolt battery with 5-year health provides long-lasting power. SGS Certified and Military-Grade Durability, Conquer Mishaps with Unwavering Protection. Backed by SGS five-star overall unit drop resistance and military-grade shock resistance, the phone can effortlessly handle accidental drops in daily life. More Space, More Convenience. With upgraded 256GB ROM, you'll never run out of space to save your moments, whether it be pictures, videos, or all the apps you love." What’s in the box: Quick Start Guide, USB Cable, Charger, Eject Tool, Phone Case, Protective Film (applied),