Smart Watch Outdoor Three proof 3-meter Waterproof Cross border Bluetooth Call Bracelet Monitoring Heart Rate and Blood Oxygen

Parameter List:APP： DA fitChip manufacturer: JerryChip: Jerry 7012 F6Compatible systems: Android 8.0+(contact) and iOS 13.0+(contact)FLASH memory: ROM 64MbType: IPSScreen size: 1.95 inchesPixel: 240RGB * 282Touch type: Full screen touchBT： BT5.2+(contain)...