Huawei Honor Amoled

Huawei Honor Band 4 Smartband is with a 0.95 Inch Color AMOLED Touch Screen.
Standby time: Magnet dock charging, Slight Using 14day, Scientific Sleep ON 6 day.
50-meter water resistance, continuous heart rate tracking, Sleep monitoring and Notifications and alerts.
Monitors your heart rate all the time, the heart rate chart can be viewed on the app.