Haylou Solar Lite Smart Watch 1.38" Display Bluetooth 5.3 100+ Watch Faces SpO2 Heart Rate Monitor 20 Days Endurance Smartwatch 1.38" color large display100+ watch faces/customization Comprehensive health functionsFemale physical health100 workout modes20-day battery life | IP68 waterproof 1.38 " Color Large Display,Amazing Visual Experience. Metallic circular bezel,Claic design and fine texture.Touch control & physical button ,Simple and easy operation. Stylish Watch Faces ,All-new Style at Any Time. The watch comes with over 100 online watch faces. You can also customize the watch face with your favorite picture and define your own style. 100 Workout Modes,Efficient and Unrestricted Workouts. The watch supports 100 workout modes for even more choices. Upgraded high-precision motion sensor can accurately record your workout data. IP68 Waterproof and Dustproof,Enhanced Water Resistance. Support IP68 waterproof rating. You can wash your hands without taking your watch off. Just enjoy your workouts with its enhanced water resistance. Scientific Sleep Monitoring,Quality Sleep for Quality Life. The watch automatically records sleep duration, sleep depth, REM etc., helping you know more about what's happening during your sleep to better develop healthier sleep habit. Blood Oxygen Testing,Stay Energetic Anytime. Always worry about your blood oxygen status? Solar Lite can dynamically track your blood oxygen status even at nighttime, providing a better picture of your physical condition. 24-hour Heart Rate Monitoring,Timely Alerts for Peace of Mind. It accurately monitors you even during high-intensity workouts with optimized hardware optical path and algorithm. It will vibrate upon detecting a high heart rate with heart rate alerts. All-day Stre Detection & Breathing Trainin. All-day stre detection helps you better balance work and study. When stre is high, use breathing training to help you relax your body and mind in time and restore energy. Female Menstrual Cycle Management,Companionship in Special Times. Get predictions and reminders for upcoming fertile and menstrual periods. Live elegantly and without worry. 20-day Battery Life,Power that Goes the Distance. It can last for more than a week when fully charged. Basic usage mode can reach up to 20 days, so you don't have to be inconvenienced by frequent charging. Incoming Call Reminder,Life Aistant Caring about You. Calls, WeChat, and various APP information can be synced with the watch in real time after connecting to the phone through Bluetooth. Get reminders for every important moment. Haylou Smart Watch 2 Pro 1.85inch TFT HD Large Display Smartwatch