#2 ET390 Smart Watch Women AMOLED 360*360 ECG HD Screen Heart Rate Bluetooth Calls Waterproof SmartWatch
ET390 Smart Watch Women AMOLED 360*360 ECG HD Screen Heart Rate Bluetooth Calls Waterproof SmartWatch Product Parameter:Master Chip:Ultralow power JL7012Temperature sensor:CT1711 arrayBlood oxygen:OSRAM (Osram) 2703+GR3220gravity sensor :ST8321ECG chip:5