【Bluetooth 5.3 & Call Function】 This smartwatch has a built-in high-performance speaker and microphone, allowing you to make calls simply by pairing it. You don't need to take out your phone during exercise or work. Also, you can make emergency calls when necessary. It adopts the latest generation Bluetooth 5.3, which dramatically improves the communication range and connection stability. The call quality is clear and comfortable, and the voice is clear, so you can hear the other person's voice clearly. 【1.9-inch Extra-Large Screen & Incoming Call/Message Notifications】 The smartwatch adopts a 1.9-inch high-resolution large screen, providing a more accurate and comfortable visual experience. It can display notifications from incoming calls, LINE, Twitter, Instagram, Facebook, and other apps, allowing you to check important notifications immediately. The watch has a touch screen with excellent touch feeling, and the screen automatically lights up when you raise your arm, so you can clearly see the time even in the dark night. 【Activity Tracker & 24-Hour Exercise & Health Tracking】 The smartwatch comes with various exercise modes and serves as an activity tracker. You can freely select running, cycling, swimming, tennis, etc., and record data such as calorie consumption, exercise tracking, distance, and steps to manage your exercise volume reasonably. It has three built-in professional sensors to measure exercise and health, and can record your health status in real time. It automatically records sleep data at night, and by recording the duration of light sleep and deep sleep, you can understand the quality of your sleep every night. 【Practical Functions & Customizable Watch Faces】 The smartwatch is equipped with convenient functions such as an alarm clock, flashlight, pedometer, remote camera, music playback, voice assistant, weather forecast, stopwatch, and sedentary reminder, making your daily life easier. You can download various watch faces in the dedicated app and change the watch face. Furthermore, you can also set your favorite photos as the watch face. 【Waterproof for Daily Life & Long-Lasting Battery】 With its water-resistant function, you don't have to worry about hand washing or sweating during exercise in daily life, making it useful in a wide range of situations. It is not completely waterproof, so please refrain from using it in swimming, hot springs, or bathing. It has a long-lasting battery, and a full charge takes about 2.5 hours, allowing for 6-8 days of continuous use. This varies depending on usage frequency. Y002