It enriches a variety of sports modes, whether it is daily hiking and sailing, you can set your sports goals, record your sports data Built-in high-performance, low-power dynamic optical heart rate sensor, automatic detection Automatic sleep monitoring at night, and intelligently identify and record your deep sleep, light sleep, and awake state Smart Watch2 is also a portable smart secretary, with multiple reminders added to assist you when you are busy 1.4-inch round corner touch true color screen with a resolution of up to 320ppi, seamlessly fits with 2.5D curved tempered glass The watch body is thin and light, and is equipped with a flexible and smooth silicone strap 20 days of continuous battery life, 30 days of stable standby Compared with the first generation, Smart watch 2 has been upgraded with Bluetooth 5.0 With IP68 dustproof and waterproof capability, it meets the daily life and sports waterproof requirements of sports life