【Powerful Functions】-Track your activities throughout the day: steps, calories, sleep monitoring, blood pressure, mileage and heart rate, and smart reminder: call reminder, SMS button.
【Compatible System】- Bluetooth 4.0, compatible with Android 5.0 and above systems, iOS 9.0 and above systems.
【Long Battery Life】- Charging time 3 hours. The watch can be used for 2-3 days after charging for two hours. It can be kept for 7-10 days standby time.