KEY FEATURES Display: 1.1" AMOLED New Charging Method: Magnetic Charging 11 professional sports modes. Support running, walking automatic detection, speed reminder, whole kilometer reminder, high heart rate reminder. 24-hour smart sleep monitoring, a good night's sleep, very simple. Remote photo-taking
KEY FEATURES 0.95" AMOLED Display, 120*240 Pixels 135mAh battery compacity,Up to 20 days (Recharging time ~2 Hours) 5ATM water resistance up to 50m 512K RAM+16MB ROM Count steps, distance, calories burned 24/7 Heart rate monitoring 3-axis accelerometer, 3-axis gyroscope, Bluetooth 5.0 Android 4.4, IOS 9 and above