Military-Grade Standard and 5ATM WaterproofThis men's military smartwatch is made of special composite materials and metal casing, which is strong and durable. The smartwatch has passed various durability tests, including drilling, crushing, exposure to hot steam, salt spray, and liquid contamination. In addition, it can continue to operate even in very low temperatures.Bluetooth Call and Message NotificationThis men's smartwatch is equipped with a 5.0 Bluetooth chip, allowing you to make and receive calls, receive mobile text messages, control music playback, and even take pictures with your phone's camera. With this watch, you can free your hands, stay in touch, socialize and entertain at the same time. You will never miss important information again, and you don't need to always take out your phone.Multi-function smartwatch for menBluetooth voice call rugged smartwatch features include social media message notification and preview, AI voice assistant, blood pressure, blood oxygen, dynamic heart rate, sleep monitoring, alarm clock, calculator, breathing exercises, calorie counting, greeting cards, sedentary reminder, stopwatch, flip wrist light, remote camera, music control, weather forecast, multi-dial switching, drinking water 100. 10 0 + sports mode400mAh large capacity battery & DIY HD touch screenMilitary tactical sports smartwatch has 400 mAh battery capacity, up to 30 days of standby time, and up to 7-10 days of normal working time. 1.39-inch HD touch screen, 360 x 360 pixels. Adjustable 5 brightness levels, so you can see the watch content in strong outdoor light. Built-in rich UI, 7 local classic UIs, and nearly 200 UIs in the APP store for you to choose. Customize your personal UI to show your personality.Personal Health AssistantThis men's smartwatch supports 24-hour heart rate monitoring, real-time blood pressure/blood oxygen detection. There is also a sleep monitoring function that can record your sleep time and detect your sleep status (deep sleep, light sleep, eye movement pattern). The monitoring data can be saved for 30 days, allowing you to better understand your physical condition and develop healthy daily activities.More than 100 sports modesThis fitness tracker watch has more than 100 sports modes, including cycling, running, basketball, rugby, skiing, etc. Through Bluetooth connection application, you can download more sports, such as ball sports, water sports, equipment sports, etc. The smartwatch can be used to monitor key data in real time, such as exercise heart rate, travel distance, exercise speed, and calories burned for most exercise modes to help you track and improve your sports performance.