Product Description: S21 Ultra 5.8 Inch Android 11 Smartphone with Dual SIM and High-Quality Cameras 5.8 Inch Ultra HD Screen: The S21 Ultra smartphone features a stunning 5.8-inch ultra HD screen with a resolution of 1280x2320. This display not only provides a broader visual experience but also offers exceptional vivid colors and clarity, enhancing your viewing pleasure whether you're watching videos, browsing photos, or playing games. Large 4800mAh Battery: Equipped with a powerful 4800mAh battery, this smartphone ensures long-lasting performance. Enjoy up to 17 hours of talk time, 24 hours of music playback, and 6 hours of gaming. The AI battery management system optimizes power usage by reducing excessive caching, allowing you to stay connected and entertained throughout the day. Android 11.0 System: The S21 Ultra runs on the latest Android 11.0 operating system, powered by an MT6580 octa-core CPU with speeds up to 2.0GHz and a 12nm processor. This configuration allows you to run multiple applications smoothly, providing the mobility and responsiveness needed for both productivity and entertainment. Three Card Slots: This smartphone supports dual SIM cards and a small memory card, offering flexibility for personal and business use. It comes with 2GB of RAM and 16GB of internal storage. The SIM card bands support 2G networks (GSM: 850, 900, 1800, 1900) and 3G networks (WCDMA: 850, 2100), ensuring connectivity in various regions. Front 5MP and Rear 8MP Cameras: Capture your favorite moments with the S21 Ultra's front 5MP and rear 8MP cameras. The capacitive touch screen allows for quick and responsive photo taking, selfies, and video recording, making it easy to document your life anytime and anywhere. The phone also features a micro USB port and a 3.5mm standard headphone jack for added convenience. Available in sleek black, the S21 Ultra combines advanced technology with user-friendly features, making it an ideal choice for anyone seeking a reliable and versatile mobile device.