1. Looking for mobile phones, remote photos, for QQ reminders, for WeChat reminders, 7 common chat tool reminders abroad. 2. 3-inch 240 x 240 resolution high-definition display color screen, in light and streamlined design, it is carefully crafted from the inside out of sleek shape for renewed feeling. 4. For IP65 waterproof rating, it is suitable for more scenes, such as life wash and waterproof, which lets you have no fear anytime, anywhere. 5. The optical heart rate sensor is used to accurately calculate the heart rate and blood pressure data through the visible light band measurement technology, so that you can strictly control your body function during exercise and it makes your life more secure. 3. Equipped with a motion sensor to accurately record motion information, it can make efficient and scientific guidance to exercise, maximizing exercise performance, and it supports common mode and more-sport mode.