Product Name: Smart WatchMaterial: SiliconeSizes: 1.69 inchesWeight: 140gColor: Black, Pink, White SilverPattern: Square 1. Answer/Dial: The iOS Android smart watch has a built-in high-fidelity waterproof speaker. After connecting to Bluetooth, you can make and receive calls directly on the watch, so you are hands-free when exercising. All notifications are displayed on your wrist and reminded by vibration, so you won't miss important calls and messages. 2. All-Day Fitness & Activity Tracker: As a sports watch, this men's watch supports 8 sports modes: walking, running, cycling, skipping, badminton, basketball, football, and swimming. The black smart watch accurately records all-day activities such as steps, distance, calories, active time, and heart rate. You can use the stopwatch tool to time your run. 3. Heart Rate Monitor & Sleep Tracker: This smart watch can detect your heart rate, blood pressure and blood oxygen to better understand your health. High-performance motion sensors automatically monitor sleep status and provide a comprehensive analysis of sleep quality. You can also use the drink reminder and sedentary reminder functions to help you reasonably adjust your lifestyle. 4. 1.69-inch Full Touch & Multi-face Screen: The ultra-thin metal frame is matched with a 1.69-inch high-definition full-touch color screen for a comfortable touch and excellent visual experience. 5-level brightness options allow you to easily read in sunlight or in the dark. Every time you raise your hand, the watch screen will light up. Personalized dial design, you can switch your favorite picture to the dial with one click and give full play to your unique personality. 5. Smart watch for Android and iOS phones: iOS 7.1 and above, Android 4.4 and above, Bluetooth 5.0, distance 8-10 meters. 230mAH battery capacity, fully charged in just 2 hours, can be used for 3-7 days. IP67 waterproof watch, so you don't need to take it off to wash your hands, not suitable for diving, showering or sauna. More practical tools, such as music playback and photo control on mobile phones, weather display, watch search, timer, alarm clock, etc.