The Ulefone Armor 21 is designed for those seeking durability and performance. Featuring a robust build that adheres to IP68, IP69K, and MIL-STD-810H standards, it is water-resistant, dust-resistant, and capable of withstanding harsh conditions. The device is equipped with a powerful 9600 mAh lithium polymer battery, providing a standby time of 522 hours and talk time of 2340 minutes. This ensures users can stay connected without frequent recharging. The 6.58-inch Full HD+ LCD display offers vibrant visuals with a resolution of 2408 x 1080 pixels and a refresh rate of 120 Hz. With a dual-SIM configuration and 4G mobile broadband support, this smartphone keeps users connected in various situations. Additionally, it includes features like NFC and Bluetooth 5.2 for seamless connectivity, along with an array of sensors for enhanced functionality. With a versatile camera system that includes a 64-megapixel main sensor and a 24-megapixel night vision camera, capturing high-quality images and videos is effortless.