【1.85'' Screen & Personalized Watch Faces】 RUIMEN H1 smart watch has a 1.85-inch touch screen. You can personalize it with over 100+ watch faces choosing from the app or with your own photos to express your style. | 【Make/answer Calls & Message Notifications】 This smartwatch is compatible with iPhone and Android phones. You can make clear calls and receive notifications for SMS, emails, and apps directly on your watch, so you can stay connected. Ideal for those times when you are doing workout or in meetings. | 【All-Day Fitness Tracking】 This fitness watch can accurately track your fitness all day long, such as steps, distance, and calories. With more sports modes supported by the App, this fitness tracker watch can track your most daily sports. It also continuously measure your heart rate, blood oxygen levels, and sleep status, offering a comprehensive view of your health. | 【Long Battery Life & IP68 Waterproof】 Enjoy up to 30 days of standby time and 7 days of regular usage with just a 2.5-hour charge. The IP68 waterproof rating of this smartwatch meets the majority of everyday water resistance needs, allowing you to use it without any worry. | 【Practical Tools】 This smart watch is equipped with many practical tools, such as alarm clocks, timer, weather forecasts, music controls, flashlight, sedentary reminder, find watch, find phone etc. | 【Easy Setup】 Setting up this watch is easy with just five steps: 1. Fully charge your watch; 2. Activate Bluetooth on your phone; 3. Install the app; 4. Open the app and scan the QR code displayed on the watch to pair; 5. Enable the functions you need in the app.