1. If there is a product quality problem or there is something you don’t understand about the use of the product, please contact the shop directly, and we will deal with it quickly
2. The measurement results of this product are for reference only, and are not used as any medical purpose or basis. Please follow the doctor's guidance. Do not perform self-diagnosis and medical treatment in sequence.
3. The waterproof grade of this product is IP67, which can be used for life waterproofing. It cannot be used for diving and long-term soaking in water. In addition, this product is not resistant to hot water, because water vapor will affect the hands.
4. Mainly do not use the power adapter with output more than 5V 1A to charge, otherwise it may burn the loop circuit and cause no charging
