【Military-Grade Smartwatch】The military-grade smartwatch adopts a 2-inch full-screen touch panel, making the image quality clearer and displaying text on a larger, more precise screen. The smartwatch body uses a special composite material of zinc alloy + ABS shock-resistant material, compliant with MIL military standards, and boasts excellent low-temperature resistance, high-temperature resistance, shock resistance, and waterproof/dustproof properties. It is applicable in all scenarios, from daily life to harsh natural environments. 【2-inch HD Large Screen & High-Resolution Display / DIY Watch Face】The 2-inch large-screen iPhone/Android compatible smartwatch is equipped with a military-grade scratch-resistant display, offering shock resistance, drop resistance, heat resistance, and low-temperature resistance. The display screen is maximized, highlighting the distinctive exterior design. It is easy to operate and easy to see. Furthermore, the high resolution achieves an ultra-fine and clear screen display. In addition, the app is equipped with over 250+ types of watch faces, suitable for any scene, such as business, school, or daily life. You can customize your favorite photos as watch faces in the app. 【100+ Kinds of Exercise Modes & IP68 Waterproof】 【Bluetooth 5.3 Calling Function & Incoming Call Notification】 This smartwatch adopts the industry's most advanced Bluetooth 5.3, which dramatically improves communication speed, communication range, battery life, and connection stability, making it more stable than previous smartwatches. When connected to the dedicated app, the smartwatch can display incoming calls and message notifications, as well as notifications from apps like LINE, Twitter, Facebook, email, and Instagram, and you can also check the content. It is possible to make calls directly on the smartwatch and reject incoming calls. You can also synchronize phone contacts and save call history and call records. *Note: To use the Bluetooth call & message notification and music playback functions, you need to pair and connect with audio Bluetooth. No scratches or cracks... Operation...Good