Purchase Notes：

The outer packaging of the product does not contain any logo.Independent exclusive app, brand app is not supported. (Does not support Xiaomi or Huawei App)

Precautions:

1. Support to set the picture in the phone as the watch face through the APP.2. The data comes from the ILAHKF laboratory, and the actual situation may vary slightly due to different factors such as the use environment.3. This product is not a medical device, and the measurement result data is for reference only, not for any medical purpose or basis. Please follow the instructions of professional doctors, and never self-diagnose and treat the results of this measurement.4. The waterproof level of this product is life waterproof and cannot be used for soaking in water. It does not support deep sea diving and sauna use. Do not touch the hot water, which will affect the battery life.5. It needs to be used with a mobile phone. The mobile phone and the watch are connected via Bluetooth, and the effective distance is about 10 meters.6. When operating on an Apple/Android phone, you need to open the camera interface on the phone, and you need to cooperate with the corresponding software of the product.7. The music interface of the mobile phone needs to be opened or running in the background.