【Outdoor Rugged Military Smartwatch】: the YERAD military smartwatch designed to conquer the joy of outdoor activities. The aluminum alloy shell of this smartwatch has undergone various military-grade tests in extreme temperatures, low pressure, dust resistance, etc., ensuring reliable operation in the harshest environments and reaching IP68 waterproof rating. It adopts a large 1.43-inch round display design with a high-resolution 466x466 screen to provide more vivid visual effects.【Long-lasting Battery and 100+ Sports Modes】: This military sports smartwatch has a powerful battery capacity, providing up to 30 days of standby time and 7-10 days of normal operation. As a fitness tracking watch, it supports more than 100 sports modes such as running, basketball, cycling, yoga, baseball, rugby, etc. With the FitCloudPro app, you can easily select and switch between multiple sports modes【Bluetooth Calls and Smart Message Notifications】: Our waterproof smartwatch is equipped with Bluetooth 5.2 technology, you can make and receive calls directly from your wrist. In addition, you can enjoy your favorite music and receive notifications on text messages and social media platforms (WhatsApp, Facebook, Twitter, Instagram, Skype, Telegram, etc.), whether you are in a meeting, exercising or driving, you will not miss important calls or messages[24-hour health monitoring and sleep tracking and customized watch face]: Our smart watch men's Android has a built-in three-axis sensor, which helps track your all-day sleep pattern, 24-hour heart rate and blood oxygen level. It analyzes your health in real time (Note: non-medical device, data is for reference only. ), it provides more than 200 watch faces for you to choose from, and you can also customize your favorite photos to the watch[Wide Compatibility and Life Assistance]: Our sports fitness tracker watch is compatible with iPhone and Android smartphones (computers, iPads or tablets are not supported). Support running iOS 12.0 and Android 8.0 or higher. It also provides you with more useful functions, including remote camera control, weather updates, alarm functions, camera control, drinking water reminders, sedentary reminders.