【Bluetooth Calling, Hands-Free】 The TOZO S3 features a high-quality built-in microphone and speaker, providing a clear call experience. After connecting to your phone via Bluetooth, you can answer and make calls directly from your watch without taking out your phone. Whether at work, exercising, or out and about, you can stay connected and ensure you don't miss any important calls or texts. 【1.83-inch Large High-Definition Color Touchscreen】1.83-inch large screen with a 240x284 resolution, providing a smooth and responsive user experience. The screen displays vibrant colors and high saturation, resulting in superior display quality. 【Comprehensive Sleep and Activity Tracking】 The TOZO S3 automatically tracks your sleep patterns and provides detailed sleep quality analysis to help you improve your rest. During exercise, it tracks your steps, distance traveled, calories burned, and active time, giving you a clear understanding of your physical condition and monitoring your progress over time. 【Seamless Bluetooth Connectivity and App Compatibility】 After connecting to the "TOZO Health" app via Bluetooth, you can easily control music, check today's weather, set alarms, and more—all from your watch. The TOZO S3 is compatible with most iOS, Android, and Bluetooth smartphones, providing a smooth connectivity experience for your smart life. 【Long-lasting Battery Life, All-Day Companionship】 Equipped with a 300mAh high-capacity battery and a low-power design, this smartwatch offers a long battery life experience. Whether for daily work, travel, or exercise, this watch can last for approximately 10 days in automatic monitoring mode, and easily maintains 7 days of use under normal conditions, eliminating the hassle of frequent charging. 【IP68 Water Resistance, Worry-Free Use】 The TOZO S3 features an IP68 water resistance rating (water resistant to depths up to 50 meters), designed to withstand everyday water immersion. Whether washing dishes, sweating during exercise, or encountering rain, you don't need to worry about damaging your watch, making it suitable for outdoor activities and daily use. 【Receive notifications directly on your wrist】 Allows you to receive text messages and app notifications directly on your watch. Whether at work, working out, or out and about, you'll stay updated and never miss important reminders, without having to take out your phone. 【Perfect for Sports and Outdoor Activities】 Whether you're hiking, cycling, running, or participating in other outdoor sports, this watch can meet your needs. It supports over 100 sports modes, automatically records your exercise data, helps you better understand your physical condition, and is the ideal companion for fitness enthusiasts. 【Personalized Watch Faces, Customize Your Design】 You can freely choose and customize multiple watch faces to showcase your personal style. Whether you prefer classic designs or a modern look, we offer a variety of options to perfectly suit the needs of both men and women. 【Easy-to-Manage Smart Apps】 The TOZO S3 is fully compatible with the free "TOZO Health" app, which you can download from the App Store or Google Play. Easily track your health data, adjust settings, and personalize your watch experience to help you better integrate into your smart life. TOZO S3 Smart Watch for Men Women for iPhone&Android, 1.83" Fitness Tracker Bluetooth Call [Answer/Make], IP68 Waterproof Sleep Monitor, 100+ Sport Modes Black