Description: all-day static heart rate detection, real-time heart rate detection during exercise and abnormal heart rate reminder, showing steps, distance, calories burned, etc. The sleep monitoring function can also record your sleep status to help you understand sleep data and build a healthier lifestyle. Answer/Hang up and reminder message function two-way conversation. You can directly call and chat with family and friends . The multifunctional design bring you a diverse experience, such as photo remote control, music control, stop watch, seat reminder and more. IP68 waterproof watch can withstand daily sweat and rain splash, no need to worry about damaging the watch while washing your hands. (Note: The watch should not be worn in hot showers, diving, etc.) Specification: Product size: diameter 45mm/1.77inch Electric capacity: 300mAh Material: plastic, electronic device Package Includes: 1x Smart Sports Watch 1x Charger Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!