【Call Receiving/Dialing and Information Reminder】After connecting to Bluetooth, you can directly dial the phone number on the screen to answer the call. Bluetooth 5.0 allows you to exercise, fitness, and cycling can be hands-free, using high-fidelity waterproof speakers. If you don't need the call function, you can turn it off and receive SMS and APP messages. 【MULTI SPORTS MODES & LONG TIME STANDBY】- As a fitness tracker watch, It supports 7 sports modes to record your workout on app. Connect your phone's GPS to measure accurate activity data and see your fitness targets. Built in a 180mAh battery, it only takes 2 hours to get fully charged and can be used for up to 5-7 days and long standby time 20 days. Good for your short outdoor activities and adventures. 【HEART RATE MONITORING & SLEEP TRACKING】- Supports sleep tracker, heart rate monitor, blood pressure & oxygen in real time to get a better understanding of your health. 【IP68 Waterproof Fitness Watch】 You may swim with watch.