or this design,There are three options,bluetooth version,non-bluetooth version and top-grade version with 9D So far, the popularity of smart wearable devices in the medical and health field is relatively higher, compared with other fields. Especially after Apple launched Apple Watch Series 6 in the fall of 2020, within two or three months, major manufacturers, such as Huawei, Samsung, Xiaomi and Huami, Fitbit, Garmin, etc., have launched smart watches with blood oxygen monitoring functions. Previously, health monitoring technologies such as exercise monitoring, heart blood monitoring, sleep, and heart rate monitoring have been applied to smart watches.
In the future, smart wearable devices, especially smart watches, will be promising in the field of health monitoring.t watch