[Round Smart Watch]-Smartwatch has a bright and clear 3D curved high-definition large touch screen, metal structure and soft and breathable strap, which is very comfortable for men and women to wear. Durable glass makes your smartwatch more scratch-resistant. Easy to operate. The brightness of the screen is also adjustable. [All-day activity tracking]-Our smart watch activity tracker can easily monitor your pace, heart rate, driving distance, etc. through the multi-sport mode and GPS tracking used when connecting your fitness watch to our app. [Heart Rate Monitor and Sleep Tracker]-Our smart watch can automatically monitor your real-time heart rate and track your sleep status. You can view daily, weekly, and monthly data in the app, accurately record the time of deep sleep and light sleep every night, and remind you to adjust your sleep habits. All this data will help you live a healthier life. [Smart watches for Android phones and iOS phones]-Connect the watch to the device through related applications, and you can directly send incoming calls, SMS and SNS notifications to your fitness bracelet (including SMS, Facebook), Whatsapp, Twitter in real time , Instagram, Facebook Messenger, LinkedIn, etc.). Always stay informed. Never miss any calls or messages. [7-day battery life and swimming waterproof function] The smart watch has a waterproof rating of IP68 and can be worn when washing hands or swimming. Low-power Bluetooth chip, compatible with Bluetooth 4.0, strong scalability. Charge for 2.5 hours, normal use for 7 days. Our app is compatible with Android 5.1 or iOS 8.0 or higher and Bluetooth 4.0 or higher, and can only be used on smartphones, not tablets or laptops. Packing list: 1* bracelet 1* manual 1* charging cable