【Calls & Important Alerts on Your Wrist】Scroll seamlessly on a vibrant 1.83" HD screen,Answer Bluetooth calls with the built-in speaker/mic and see key notifications (calls, texts, calendar) at a glance—so you don’t miss what matters when your phone is in a pocket or bag. 【24/7 Health Guardian】smart watch can Monitor heart rate (plus SpO2, stress and sleep trends) around the clock,Tracks your health data efficiently and accurately. Get a simple view of your sleep patterns so you can adjust bedtime, reduce fatigue, and improve daily energy. 【10-Day Battery+3ATM waterproof】a bigger 350mAh battery Up to 10 Day Use between charges, and 3ATM daily water resistance for handwashing, sweat and rain.